Finding the Fourth Proportional to 9,534.77, 13,158.40 and 5,285.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,534.77 : 13,158.40 = 5,285.82 : x
2. Step 2: Convert to fraction form
   9,534.77/13,158.40 = 5,285.82/x
3. Step 3: Cross multiply
   9,534.77x = 13,158.40 × 5,285.82
4. Step 4: Simplify right side
   9,534.77x = 69,552,933.89
5. Step 5: Solve for x
   x = 69,552,933.89/9,534.77
6. Step 6: Final answer
   x = 7,294.66