Finding the Fourth Proportional to 22,782.35, 31,441.04 and 12,710.81

Step by Step Solution

1. Step 1: Write the proportion equation
   22,782.35 : 31,441.04 = 12,710.81 : x
2. Step 2: Convert to fraction form
   22,782.35/31,441.04 = 12,710.81/x
3. Step 3: Cross multiply
   22,782.35x = 31,441.04 × 12,710.81
4. Step 4: Simplify right side
   22,782.35x = 399,641,196.02
5. Step 5: Solve for x
   x = 399,641,196.02/22,782.35
6. Step 6: Final answer
   x = 17,541.70