Finding the Fourth Proportional to 144,469.86, 216,411.03 and 117,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,469.86 : 216,411.03 = 117,910.50 : x
2. Step 2: Convert to fraction form
   144,469.86/216,411.03 = 117,910.50/x
3. Step 3: Cross multiply
   144,469.86x = 216,411.03 × 117,910.50
4. Step 4: Simplify right side
   144,469.86x = 25,517,132,752.82
5. Step 5: Solve for x
   x = 25,517,132,752.82/144,469.86
6. Step 6: Final answer
   x = 176,625.99