Finding the Fourth Proportional to 62,457.78, 86,191.38 and 35,601.42

Step by Step Solution

1. Step 1: Write the proportion equation
   62,457.78 : 86,191.38 = 35,601.42 : x
2. Step 2: Convert to fraction form
   62,457.78/86,191.38 = 35,601.42/x
3. Step 3: Cross multiply
   62,457.78x = 86,191.38 × 35,601.42
4. Step 4: Simplify right side
   62,457.78x = 3,068,535,519.76
5. Step 5: Solve for x
   x = 3,068,535,519.76/62,457.78
6. Step 6: Final answer
   x = 49,129.76