Finding the Fourth Proportional to 144,384.58, 216,613.78 and 55,614.25

Step by Step Solution

1. Step 1: Write the proportion equation
   144,384.58 : 216,613.78 = 55,614.25 : x
2. Step 2: Convert to fraction form
   144,384.58/216,613.78 = 55,614.25/x
3. Step 3: Cross multiply
   144,384.58x = 216,613.78 × 55,614.25
4. Step 4: Simplify right side
   144,384.58x = 12,046,813,046.10
5. Step 5: Solve for x
   x = 12,046,813,046.10/144,384.58
6. Step 6: Final answer
   x = 83,435.59