Finding the Fourth Proportional to 114,471.31, 157,971.58 and 63,485.05

Step by Step Solution

1. Step 1: Write the proportion equation
   114,471.31 : 157,971.58 = 63,485.05 : x
2. Step 2: Convert to fraction form
   114,471.31/157,971.58 = 63,485.05/x
3. Step 3: Cross multiply
   114,471.31x = 157,971.58 × 63,485.05
4. Step 4: Simplify right side
   114,471.31x = 10,028,833,654.88
5. Step 5: Solve for x
   x = 10,028,833,654.88/114,471.31
6. Step 6: Final answer
   x = 87,610.02