Finding the Fourth Proportional to 12,730.06, 17,567.43 and 7,762.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,730.06 : 17,567.43 = 7,762.06 : x
2. Step 2: Convert to fraction form
   12,730.06/17,567.43 = 7,762.06/x
3. Step 3: Cross multiply
   12,730.06x = 17,567.43 × 7,762.06
4. Step 4: Simplify right side
   12,730.06x = 136,359,445.71
5. Step 5: Solve for x
   x = 136,359,445.71/12,730.06
6. Step 6: Final answer
   x = 10,711.61