Finding the Fourth Proportional to 9,013.59, 12,442.59 and 5,477.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,013.59 : 12,442.59 = 5,477.94 : x
2. Step 2: Convert to fraction form
   9,013.59/12,442.59 = 5,477.94/x
3. Step 3: Cross multiply
   9,013.59x = 12,442.59 × 5,477.94
4. Step 4: Simplify right side
   9,013.59x = 68,159,761.46
5. Step 5: Solve for x
   x = 68,159,761.46/9,013.59
6. Step 6: Final answer
   x = 7,561.89