Finding the Fourth Proportional to 22,773.60, 31,427.73 and 12,702.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,773.60 : 31,427.73 = 12,702.69 : x
2. Step 2: Convert to fraction form
   22,773.60/31,427.73 = 12,702.69/x
3. Step 3: Cross multiply
   22,773.60x = 31,427.73 × 12,702.69
4. Step 4: Simplify right side
   22,773.60x = 399,216,711.59
5. Step 5: Solve for x
   x = 399,216,711.59/22,773.60
6. Step 6: Final answer
   x = 17,529.80