Finding the Fourth Proportional to 9,123.47, 12,594.62 and 5,346.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123.47 : 12,594.62 = 5,346.11 : x
2. Step 2: Convert to fraction form
   9,123.47/12,594.62 = 5,346.11/x
3. Step 3: Cross multiply
   9,123.47x = 12,594.62 × 5,346.11
4. Step 4: Simplify right side
   9,123.47x = 67,332,174.32
5. Step 5: Solve for x
   x = 67,332,174.32/9,123.47
6. Step 6: Final answer
   x = 7,380.11