Finding the Fourth Proportional to 9,373.36, 12,934.70 and 5,493.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,373.36 : 12,934.70 = 5,493.90 : x
2. Step 2: Convert to fraction form
   9,373.36/12,934.70 = 5,493.90/x
3. Step 3: Cross multiply
   9,373.36x = 12,934.70 × 5,493.90
4. Step 4: Simplify right side
   9,373.36x = 71,061,948.33
5. Step 5: Solve for x
   x = 71,061,948.33/9,373.36
6. Step 6: Final answer
   x = 7,581.27