Finding the Fourth Proportional to 12,762.65, 17,612.10 and 7,097.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,762.65 : 17,612.10 = 7,097.31 : x
2. Step 2: Convert to fraction form
   12,762.65/17,612.10 = 7,097.31/x
3. Step 3: Cross multiply
   12,762.65x = 17,612.10 × 7,097.31
4. Step 4: Simplify right side
   12,762.65x = 124,998,533.45
5. Step 5: Solve for x
   x = 124,998,533.45/12,762.65
6. Step 6: Final answer
   x = 9,794.09