Finding the Fourth Proportional to 144,477.26, 216,725.61 and 55,731.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,477.26 : 216,725.61 = 55,731.50 : x
2. Step 2: Convert to fraction form
   144,477.26/216,725.61 = 55,731.50/x
3. Step 3: Cross multiply
   144,477.26x = 216,725.61 × 55,731.50
4. Step 4: Simplify right side
   144,477.26x = 12,078,443,333.72
5. Step 5: Solve for x
   x = 12,078,443,333.72/144,477.26
6. Step 6: Final answer
   x = 83,601.00