Finding the Fourth Proportional to 65,772.79, 90,766.33 and 35,558.14

Step by Step Solution

1. Step 1: Write the proportion equation
   65,772.79 : 90,766.33 = 35,558.14 : x
2. Step 2: Convert to fraction form
   65,772.79/90,766.33 = 35,558.14/x
3. Step 3: Cross multiply
   65,772.79x = 90,766.33 × 35,558.14
4. Step 4: Simplify right side
   65,772.79x = 3,227,481,869.43
5. Step 5: Solve for x
   x = 3,227,481,869.43/65,772.79
6. Step 6: Final answer
   x = 49,070.17