Finding the Fourth Proportional to 9,123.37, 12,579.06 and 7,502.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123.37 : 12,579.06 = 7,502.61 : x
2. Step 2: Convert to fraction form
   9,123.37/12,579.06 = 7,502.61/x
3. Step 3: Cross multiply
   9,123.37x = 12,579.06 × 7,502.61
4. Step 4: Simplify right side
   9,123.37x = 94,375,781.35
5. Step 5: Solve for x
   x = 94,375,781.35/9,123.37
6. Step 6: Final answer
   x = 10,344.40