Finding the Fourth Proportional to 22,807.02, 31,476.84 and 12,736.11

Step by Step Solution

1. Step 1: Write the proportion equation
   22,807.02 : 31,476.84 = 12,736.11 : x
2. Step 2: Convert to fraction form
   22,807.02/31,476.84 = 12,736.11/x
3. Step 3: Cross multiply
   22,807.02x = 31,476.84 × 12,736.11
4. Step 4: Simplify right side
   22,807.02x = 400,892,496.69
5. Step 5: Solve for x
   x = 400,892,496.69/22,807.02
6. Step 6: Final answer
   x = 17,577.59