Finding the Fourth Proportional to 113,789.56, 157,029.60 and 63,488.56

Step by Step Solution

1. Step 1: Write the proportion equation
   113,789.56 : 157,029.60 = 63,488.56 : x
2. Step 2: Convert to fraction form
   113,789.56/157,029.60 = 63,488.56/x
3. Step 3: Cross multiply
   113,789.56x = 157,029.60 × 63,488.56
4. Step 4: Simplify right side
   113,789.56x = 9,969,583,181.38
5. Step 5: Solve for x
   x = 9,969,583,181.38/113,789.56
6. Step 6: Final answer
   x = 87,614.22