Finding the Fourth Proportional to 62,700.78, 86,526.72 and 34,407.48

Step by Step Solution

1. Step 1: Write the proportion equation
   62,700.78 : 86,526.72 = 34,407.48 : x
2. Step 2: Convert to fraction form
   62,700.78/86,526.72 = 34,407.48/x
3. Step 3: Cross multiply
   62,700.78x = 86,526.72 × 34,407.48
4. Step 4: Simplify right side
   62,700.78x = 2,977,166,387.87
5. Step 5: Solve for x
   x = 2,977,166,387.87/62,700.78
6. Step 6: Final answer
   x = 47,482.13