Finding the Fourth Proportional to 98,697,862.37, 136,212,189.71 and 54,644,861.94

Step by Step Solution

1. Step 1: Write the proportion equation
   98,697,862.37 : 136,212,189.71 = 54,644,861.94 : x
2. Step 2: Convert to fraction form
   98,697,862.37/136,212,189.71 = 54,644,861.94/x
3. Step 3: Cross multiply
   98,697,862.37x = 136,212,189.71 × 54,644,861.94
4. Step 4: Simplify right side
   98,697,862.37x = 7,443,296,300,974,815
5. Step 5: Solve for x
   x = 7,443,296,300,974,815/98,697,862.37
6. Step 6: Final answer
   x = 75,414,969.71