Finding the Fourth Proportional to 144,541.83, 216,874.76 and 55,857.62

Step by Step Solution

1. Step 1: Write the proportion equation
   144,541.83 : 216,874.76 = 55,857.62 : x
2. Step 2: Convert to fraction form
   144,541.83/216,874.76 = 55,857.62/x
3. Step 3: Cross multiply
   144,541.83x = 216,874.76 × 55,857.62
4. Step 4: Simplify right side
   144,541.83x = 12,114,106,568.01
5. Step 5: Solve for x
   x = 12,114,106,568.01/144,541.83
6. Step 6: Final answer
   x = 83,810.39