Finding the Fourth Proportional to 14,081.83, 21,123.14 and 5,314.79

Step by Step Solution

1. Step 1: Write the proportion equation
   14,081.83 : 21,123.14 = 5,314.79 : x
2. Step 2: Convert to fraction form
   14,081.83/21,123.14 = 5,314.79/x
3. Step 3: Cross multiply
   14,081.83x = 21,123.14 × 5,314.79
4. Step 4: Simplify right side
   14,081.83x = 112,265,053.24
5. Step 5: Solve for x
   x = 112,265,053.24/14,081.83
6. Step 6: Final answer
   x = 7,972.33