Finding the Fourth Proportional to 65,404,402,522.45, 90,274,868,881.36 and 42,598,370,805.53

Step by Step Solution

1. Step 1: Write the proportion equation
   65,404,402,522.45 : 90,274,868,881.36 = 42,598,370,805.53 : x
2. Step 2: Convert to fraction form
   65,404,402,522.45/90,274,868,881.36 = 42,598,370,805.53/x
3. Step 3: Cross multiply
   65,404,402,522.45x = 90,274,868,881.36 × 42,598,370,805.53
4. Step 4: Simplify right side
   65,404,402,522.45x = 3,845,562,339,028,195,344,384
5. Step 5: Solve for x
   x = 3,845,562,339,028,195,344,384/65,404,402,522.45
6. Step 6: Final answer
   x = 58,796,689,377.42