Finding the Fourth Proportional to 9,060.72, 12,493.08 and 7,730.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,060.72 : 12,493.08 = 7,730.16 : x
2. Step 2: Convert to fraction form
   9,060.72/12,493.08 = 7,730.16/x
3. Step 3: Cross multiply
   9,060.72x = 12,493.08 × 7,730.16
4. Step 4: Simplify right side
   9,060.72x = 96,573,507.29
5. Step 5: Solve for x
   x = 96,573,507.29/9,060.72
6. Step 6: Final answer
   x = 10,658.48