Finding the Fourth Proportional to 9,333.02, 12,882.11 and 5,356.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,333.02 : 12,882.11 = 5,356.78 : x
2. Step 2: Convert to fraction form
   9,333.02/12,882.11 = 5,356.78/x
3. Step 3: Cross multiply
   9,333.02x = 12,882.11 × 5,356.78
4. Step 4: Simplify right side
   9,333.02x = 69,006,687.88
5. Step 5: Solve for x
   x = 69,006,687.88/9,333.02
6. Step 6: Final answer
   x = 7,393.82