Finding the Fourth Proportional to 144,384.84, 216,614.16 and 55,614.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,384.84 : 216,614.16 = 55,614.50 : x
2. Step 2: Convert to fraction form
   144,384.84/216,614.16 = 55,614.50/x
3. Step 3: Cross multiply
   144,384.84x = 216,614.16 × 55,614.50
4. Step 4: Simplify right side
   144,384.84x = 12,046,888,201.32
5. Step 5: Solve for x
   x = 12,046,888,201.32/144,384.84
6. Step 6: Final answer
   x = 83,435.96