Finding the Fourth Proportional to 22,773.72, 31,427.04 and 12,702.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,773.72 : 31,427.04 = 12,702.12 : x
2. Step 2: Convert to fraction form
   22,773.72/31,427.04 = 12,702.12/x
3. Step 3: Cross multiply
   22,773.72x = 31,427.04 × 12,702.12
4. Step 4: Simplify right side
   22,773.72x = 399,190,033.32
5. Step 5: Solve for x
   x = 399,190,033.32/22,773.72
6. Step 6: Final answer
   x = 17,528.54