Finding the Fourth Proportional to 22,772.60, 31,426.35 and 12,701.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,772.60 : 31,426.35 = 12,701.69 : x
2. Step 2: Convert to fraction form
   22,772.60/31,426.35 = 12,701.69/x
3. Step 3: Cross multiply
   22,772.60x = 31,426.35 × 12,701.69
4. Step 4: Simplify right side
   22,772.60x = 399,167,834.10
5. Step 5: Solve for x
   x = 399,167,834.10/22,772.60
6. Step 6: Final answer
   x = 17,528.42