Finding the Fourth Proportional to 75,427.89, 113,156.42 and 25,516.10

Step by Step Solution

1. Step 1: Write the proportion equation
   75,427.89 : 113,156.42 = 25,516.10 : x
2. Step 2: Convert to fraction form
   75,427.89/113,156.42 = 25,516.10/x
3. Step 3: Cross multiply
   75,427.89x = 113,156.42 × 25,516.10
4. Step 4: Simplify right side
   75,427.89x = 2,887,309,835.00
5. Step 5: Solve for x
   x = 2,887,309,835.00/75,427.89
6. Step 6: Final answer
   x = 38,279.07