Finding the Fourth Proportional to 9,437.09, 13,023.50 and 5,188.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,437.09 : 13,023.50 = 5,188.30 : x
2. Step 2: Convert to fraction form
   9,437.09/13,023.50 = 5,188.30/x
3. Step 3: Cross multiply
   9,437.09x = 13,023.50 × 5,188.30
4. Step 4: Simplify right side
   9,437.09x = 67,569,766.55
5. Step 5: Solve for x
   x = 67,569,766.55/9,437.09
6. Step 6: Final answer
   x = 7,160.03