Finding the Fourth Proportional to 14,081.83, 21,125.37 and 5,199.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,081.83 : 21,125.37 = 5,199.47 : x
2. Step 2: Convert to fraction form
   14,081.83/21,125.37 = 5,199.47/x
3. Step 3: Cross multiply
   14,081.83x = 21,125.37 × 5,199.47
4. Step 4: Simplify right side
   14,081.83x = 109,840,727.55
5. Step 5: Solve for x
   x = 109,840,727.55/14,081.83
6. Step 6: Final answer
   x = 7,800.17