Finding the Fourth Proportional to 14,081.28, 21,123.06 and 3,693

Step by Step Solution

1. Step 1: Write the proportion equation
   14,081.28 : 21,123.06 = 3,693 : x
2. Step 2: Convert to fraction form
   14,081.28/21,123.06 = 3,693/x
3. Step 3: Cross multiply
   14,081.28x = 21,123.06 × 3,693
4. Step 4: Simplify right side
   14,081.28x = 78,007,460.58
5. Step 5: Solve for x
   x = 78,007,460.58/14,081.28
6. Step 6: Final answer
   x = 5,539.80