Finding the Fourth Proportional to 144,342.57, 216,522.72 and 55,596.34

Step by Step Solution

1. Step 1: Write the proportion equation
   144,342.57 : 216,522.72 = 55,596.34 : x
2. Step 2: Convert to fraction form
   144,342.57/216,522.72 = 55,596.34/x
3. Step 3: Cross multiply
   144,342.57x = 216,522.72 × 55,596.34
4. Step 4: Simplify right side
   144,342.57x = 12,037,871,029.50
5. Step 5: Solve for x
   x = 12,037,871,029.50/144,342.57
6. Step 6: Final answer
   x = 83,397.92