Finding the Fourth Proportional to 96,443.83, 144,527.89 and 54,235.31

Step by Step Solution

1. Step 1: Write the proportion equation
   96,443.83 : 144,527.89 = 54,235.31 : x
2. Step 2: Convert to fraction form
   96,443.83/144,527.89 = 54,235.31/x
3. Step 3: Cross multiply
   96,443.83x = 144,527.89 × 54,235.31
4. Step 4: Simplify right side
   96,443.83x = 7,838,515,143.53
5. Step 5: Solve for x
   x = 7,838,515,143.53/96,443.83
6. Step 6: Final answer
   x = 81,275.45