Finding the Fourth Proportional to 65,700.56, 90,666.72 and 35,892.56

Step by Step Solution

1. Step 1: Write the proportion equation
   65,700.56 : 90,666.72 = 35,892.56 : x
2. Step 2: Convert to fraction form
   65,700.56/90,666.72 = 35,892.56/x
3. Step 3: Cross multiply
   65,700.56x = 90,666.72 × 35,892.56
4. Step 4: Simplify right side
   65,700.56x = 3,254,260,687.60
5. Step 5: Solve for x
   x = 3,254,260,687.60/65,700.56
6. Step 6: Final answer
   x = 49,531.70