Finding the Fourth Proportional to 9,069.37, 13,574.89 and 6,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,069.37 : 13,574.89 = 6,131.50 : x
2. Step 2: Convert to fraction form
   9,069.37/13,574.89 = 6,131.50/x
3. Step 3: Cross multiply
   9,069.37x = 13,574.89 × 6,131.50
4. Step 4: Simplify right side
   9,069.37x = 83,234,411.76
5. Step 5: Solve for x
   x = 83,234,411.76/9,069.37
6. Step 6: Final answer
   x = 9,177.53