Finding the Fourth Proportional to 9,557.18, 13,191.63 and 5,580.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,557.18 : 13,191.63 = 5,580.49 : x
2. Step 2: Convert to fraction form
   9,557.18/13,191.63 = 5,580.49/x
3. Step 3: Cross multiply
   9,557.18x = 13,191.63 × 5,580.49
4. Step 4: Simplify right side
   9,557.18x = 73,615,693.34
5. Step 5: Solve for x
   x = 73,615,693.34/9,557.18
6. Step 6: Final answer
   x = 7,702.66