Finding the Fourth Proportional to 40,389.53, 55,737.50 and 22,486.10

Step by Step Solution

1. Step 1: Write the proportion equation
   40,389.53 : 55,737.50 = 22,486.10 : x
2. Step 2: Convert to fraction form
   40,389.53/55,737.50 = 22,486.10/x
3. Step 3: Cross multiply
   40,389.53x = 55,737.50 × 22,486.10
4. Step 4: Simplify right side
   40,389.53x = 1,253,318,607.63
5. Step 5: Solve for x
   x = 1,253,318,607.63/40,389.53
6. Step 6: Final answer
   x = 31,030.78