Finding the Fourth Proportional to 9,272.40, 12,796.42 and 5,294.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,272.40 : 12,796.42 = 5,294.79 : x
2. Step 2: Convert to fraction form
   9,272.40/12,796.42 = 5,294.79/x
3. Step 3: Cross multiply
   9,272.40x = 12,796.42 × 5,294.79
4. Step 4: Simplify right side
   9,272.40x = 67,754,279.43
5. Step 5: Solve for x
   x = 67,754,279.43/9,272.40
6. Step 6: Final answer
   x = 7,307.10