Finding the Fourth Proportional to 144,335.39, 216,535.89 and 65,472.17

Step by Step Solution

1. Step 1: Write the proportion equation
   144,335.39 : 216,535.89 = 65,472.17 : x
2. Step 2: Convert to fraction form
   144,335.39/216,535.89 = 65,472.17/x
3. Step 3: Cross multiply
   144,335.39x = 216,535.89 × 65,472.17
4. Step 4: Simplify right side
   144,335.39x = 14,177,074,601.18
5. Step 5: Solve for x
   x = 14,177,074,601.18/144,335.39
6. Step 6: Final answer
   x = 98,223.14