Finding the Fourth Proportional to 55,821.31, 83,737.23 and 18,366.10

Step by Step Solution

1. Step 1: Write the proportion equation
   55,821.31 : 83,737.23 = 18,366.10 : x
2. Step 2: Convert to fraction form
   55,821.31/83,737.23 = 18,366.10/x
3. Step 3: Cross multiply
   55,821.31x = 83,737.23 × 18,366.10
4. Step 4: Simplify right side
   55,821.31x = 1,537,926,061.69
5. Step 5: Solve for x
   x = 1,537,926,061.69/55,821.31
6. Step 6: Final answer
   x = 27,550.88