Finding the Fourth Proportional to 144,071.76, 216,131.94 and 59,877.12

Step by Step Solution

1. Step 1: Write the proportion equation
   144,071.76 : 216,131.94 = 59,877.12 : x
2. Step 2: Convert to fraction form
   144,071.76/216,131.94 = 59,877.12/x
3. Step 3: Cross multiply
   144,071.76x = 216,131.94 × 59,877.12
4. Step 4: Simplify right side
   144,071.76x = 12,941,358,107.21
5. Step 5: Solve for x
   x = 12,941,358,107.21/144,071.76
6. Step 6: Final answer
   x = 89,825.78