Finding the Fourth Proportional to 9,373.30, 12,934.76 and 5,394.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,373.30 : 12,934.76 = 5,394.55 : x
2. Step 2: Convert to fraction form
   9,373.30/12,934.76 = 5,394.55/x
3. Step 3: Cross multiply
   9,373.30x = 12,934.76 × 5,394.55
4. Step 4: Simplify right side
   9,373.30x = 69,777,209.56
5. Step 5: Solve for x
   x = 69,777,209.56/9,373.30
6. Step 6: Final answer
   x = 7,444.25