Finding the Fourth Proportional to 9,060.71, 12,503.90 and 5,475.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,060.71 : 12,503.90 = 5,475.16 : x
2. Step 2: Convert to fraction form
   9,060.71/12,503.90 = 5,475.16/x
3. Step 3: Cross multiply
   9,060.71x = 12,503.90 × 5,475.16
4. Step 4: Simplify right side
   9,060.71x = 68,460,853.12
5. Step 5: Solve for x
   x = 68,460,853.12/9,060.71
6. Step 6: Final answer
   x = 7,555.79