Finding the Fourth Proportional to 9,002.21, 12,423.60 and 5,023.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,002.21 : 12,423.60 = 5,023.89 : x
2. Step 2: Convert to fraction form
   9,002.21/12,423.60 = 5,023.89/x
3. Step 3: Cross multiply
   9,002.21x = 12,423.60 × 5,023.89
4. Step 4: Simplify right side
   9,002.21x = 62,414,799.80
5. Step 5: Solve for x
   x = 62,414,799.80/9,002.21
6. Step 6: Final answer
   x = 6,933.28