Finding the Fourth Proportional to 144,226.31, 216,337.10 and 55,499.04

Step by Step Solution

1. Step 1: Write the proportion equation
   144,226.31 : 216,337.10 = 55,499.04 : x
2. Step 2: Convert to fraction form
   144,226.31/216,337.10 = 55,499.04/x
3. Step 3: Cross multiply
   144,226.31x = 216,337.10 × 55,499.04
4. Step 4: Simplify right side
   144,226.31x = 12,006,501,088.89
5. Step 5: Solve for x
   x = 12,006,501,088.89/144,226.31
6. Step 6: Final answer
   x = 83,247.65