Finding the Fourth Proportional to 22,248.52, 30,702.94 and 13,865

Step by Step Solution

1. Step 1: Write the proportion equation
   22,248.52 : 30,702.94 = 13,865 : x
2. Step 2: Convert to fraction form
   22,248.52/30,702.94 = 13,865/x
3. Step 3: Cross multiply
   22,248.52x = 30,702.94 × 13,865
4. Step 4: Simplify right side
   22,248.52x = 425,696,263.10
5. Step 5: Solve for x
   x = 425,696,263.10/22,248.52
6. Step 6: Final answer
   x = 19,133.69