Finding the Fourth Proportional to 9,383.85, 12,948.46 and 5,607.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,383.85 : 12,948.46 = 5,607.43 : x
2. Step 2: Convert to fraction form
   9,383.85/12,948.46 = 5,607.43/x
3. Step 3: Cross multiply
   9,383.85x = 12,948.46 × 5,607.43
4. Step 4: Simplify right side
   9,383.85x = 72,607,536.67
5. Step 5: Solve for x
   x = 72,607,536.67/9,383.85
6. Step 6: Final answer
   x = 7,737.50