Finding the Fourth Proportional to 22,454.55, 30,987.50 and 12,383.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,454.55 : 30,987.50 = 12,383.40 : x
2. Step 2: Convert to fraction form
   22,454.55/30,987.50 = 12,383.40/x
3. Step 3: Cross multiply
   22,454.55x = 30,987.50 × 12,383.40
4. Step 4: Simplify right side
   22,454.55x = 383,730,607.50
5. Step 5: Solve for x
   x = 383,730,607.50/22,454.55
6. Step 6: Final answer
   x = 17,089.21