Finding the Fourth Proportional to 9,002.79, 12,425.49 and 5,648.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,002.79 : 12,425.49 = 5,648.58 : x
2. Step 2: Convert to fraction form
   9,002.79/12,425.49 = 5,648.58/x
3. Step 3: Cross multiply
   9,002.79x = 12,425.49 × 5,648.58
4. Step 4: Simplify right side
   9,002.79x = 70,186,374.30
5. Step 5: Solve for x
   x = 70,186,374.30/9,002.79
6. Step 6: Final answer
   x = 7,796.07