Finding the Fourth Proportional to 62,680.79, 86,505.37 and 35,818.05

Step by Step Solution

1. Step 1: Write the proportion equation
   62,680.79 : 86,505.37 = 35,818.05 : x
2. Step 2: Convert to fraction form
   62,680.79/86,505.37 = 35,818.05/x
3. Step 3: Cross multiply
   62,680.79x = 86,505.37 × 35,818.05
4. Step 4: Simplify right side
   62,680.79x = 3,098,453,416.19
5. Step 5: Solve for x
   x = 3,098,453,416.19/62,680.79
6. Step 6: Final answer
   x = 49,432.27