Finding the Fourth Proportional to 9,100.98, 13,631.67 and 5,580.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,100.98 : 13,631.67 = 5,580.33 : x
2. Step 2: Convert to fraction form
   9,100.98/13,631.67 = 5,580.33/x
3. Step 3: Cross multiply
   9,100.98x = 13,631.67 × 5,580.33
4. Step 4: Simplify right side
   9,100.98x = 76,069,217.05
5. Step 5: Solve for x
   x = 76,069,217.05/9,100.98
6. Step 6: Final answer
   x = 8,358.35