Finding the Fourth Proportional to 14,055.90, 21,085.92 and 5,292.87

Step by Step Solution

1. Step 1: Write the proportion equation
   14,055.90 : 21,085.92 = 5,292.87 : x
2. Step 2: Convert to fraction form
   14,055.90/21,085.92 = 5,292.87/x
3. Step 3: Cross multiply
   14,055.90x = 21,085.92 × 5,292.87
4. Step 4: Simplify right side
   14,055.90x = 111,605,033.39
5. Step 5: Solve for x
   x = 111,605,033.39/14,055.90
6. Step 6: Final answer
   x = 7,940.08