Finding the Fourth Proportional to 9,557.47, 13,188.33 and 5,580.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,557.47 : 13,188.33 = 5,580.89 : x
2. Step 2: Convert to fraction form
   9,557.47/13,188.33 = 5,580.89/x
3. Step 3: Cross multiply
   9,557.47x = 13,188.33 × 5,580.89
4. Step 4: Simplify right side
   9,557.47x = 73,602,553.07
5. Step 5: Solve for x
   x = 73,602,553.07/9,557.47
6. Step 6: Final answer
   x = 7,701.05