Finding the Fourth Proportional to 14,092.22, 21,131.94 and 5,320.91

Step by Step Solution

1. Step 1: Write the proportion equation
   14,092.22 : 21,131.94 = 5,320.91 : x
2. Step 2: Convert to fraction form
   14,092.22/21,131.94 = 5,320.91/x
3. Step 3: Cross multiply
   14,092.22x = 21,131.94 × 5,320.91
4. Step 4: Simplify right side
   14,092.22x = 112,441,150.87
5. Step 5: Solve for x
   x = 112,441,150.87/14,092.22
6. Step 6: Final answer
   x = 7,978.95