Finding the Fourth Proportional to 110,887.61, 153,026.37 and 63,141.15

Step by Step Solution

1. Step 1: Write the proportion equation
   110,887.61 : 153,026.37 = 63,141.15 : x
2. Step 2: Convert to fraction form
   110,887.61/153,026.37 = 63,141.15/x
3. Step 3: Cross multiply
   110,887.61x = 153,026.37 × 63,141.15
4. Step 4: Simplify right side
   110,887.61x = 9,662,260,666.42
5. Step 5: Solve for x
   x = 9,662,260,666.42/110,887.61
6. Step 6: Final answer
   x = 87,135.62