Finding the Fourth Proportional to 110,887.86, 153,026.71 and 63,141.40

Step by Step Solution

1. Step 1: Write the proportion equation
   110,887.86 : 153,026.71 = 63,141.40 : x
2. Step 2: Convert to fraction form
   110,887.86/153,026.71 = 63,141.40/x
3. Step 3: Cross multiply
   110,887.86x = 153,026.71 × 63,141.40
4. Step 4: Simplify right side
   110,887.86x = 9,662,320,166.37
5. Step 5: Solve for x
   x = 9,662,320,166.37/110,887.86
6. Step 6: Final answer
   x = 87,135.96