Finding the Fourth Proportional to 144,468.50, 216,671.96 and 55,692.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,468.50 : 216,671.96 = 55,692.50 : x
2. Step 2: Convert to fraction form
   144,468.50/216,671.96 = 55,692.50/x
3. Step 3: Cross multiply
   144,468.50x = 216,671.96 × 55,692.50
4. Step 4: Simplify right side
   144,468.50x = 12,067,003,132.30
5. Step 5: Solve for x
   x = 12,067,003,132.30/144,468.50
6. Step 6: Final answer
   x = 83,526.88