Finding the Fourth Proportional to 9,092.16, 12,546.72 and 5,113.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,092.16 : 12,546.72 = 5,113.20 : x
2. Step 2: Convert to fraction form
   9,092.16/12,546.72 = 5,113.20/x
3. Step 3: Cross multiply
   9,092.16x = 12,546.72 × 5,113.20
4. Step 4: Simplify right side
   9,092.16x = 64,153,888.70
5. Step 5: Solve for x
   x = 64,153,888.70/9,092.16
6. Step 6: Final answer
   x = 7,055.96