Finding the Fourth Proportional to 14,081.61, 21,115.67 and 5,310.93

Step by Step Solution

1. Step 1: Write the proportion equation
   14,081.61 : 21,115.67 = 5,310.93 : x
2. Step 2: Convert to fraction form
   14,081.61/21,115.67 = 5,310.93/x
3. Step 3: Cross multiply
   14,081.61x = 21,115.67 × 5,310.93
4. Step 4: Simplify right side
   14,081.61x = 112,143,927.78
5. Step 5: Solve for x
   x = 112,143,927.78/14,081.61
6. Step 6: Final answer
   x = 7,963.85