Finding the Fourth Proportional to 22,802.96, 31,464.87 and 12,730.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,802.96 : 31,464.87 = 12,730.01 : x
2. Step 2: Convert to fraction form
   22,802.96/31,464.87 = 12,730.01/x
3. Step 3: Cross multiply
   22,802.96x = 31,464.87 × 12,730.01
4. Step 4: Simplify right side
   22,802.96x = 400,547,952.42
5. Step 5: Solve for x
   x = 400,547,952.42/22,802.96
6. Step 6: Final answer
   x = 17,565.62