Finding the Fourth Proportional to 144,287.52, 216,508.65 and 60,105.84

Step by Step Solution

1. Step 1: Write the proportion equation
   144,287.52 : 216,508.65 = 60,105.84 : x
2. Step 2: Convert to fraction form
   144,287.52/216,508.65 = 60,105.84/x
3. Step 3: Cross multiply
   144,287.52x = 216,508.65 × 60,105.84
4. Step 4: Simplify right side
   144,287.52x = 13,013,434,275.52
5. Step 5: Solve for x
   x = 13,013,434,275.52/144,287.52
6. Step 6: Final answer
   x = 90,190.99