Finding the Fourth Proportional to 32,144.90, 48,209.93 and 12,156.53

Step by Step Solution

1. Step 1: Write the proportion equation
   32,144.90 : 48,209.93 = 12,156.53 : x
2. Step 2: Convert to fraction form
   32,144.90/48,209.93 = 12,156.53/x
3. Step 3: Cross multiply
   32,144.90x = 48,209.93 × 12,156.53
4. Step 4: Simplify right side
   32,144.90x = 586,065,399.56
5. Step 5: Solve for x
   x = 586,065,399.56/32,144.90
6. Step 6: Final answer
   x = 18,231.99