Finding the Fourth Proportional to 8,932.90, 12,321.93 and 5,908.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,932.90 : 12,321.93 = 5,908.02 : x
2. Step 2: Convert to fraction form
   8,932.90/12,321.93 = 5,908.02/x
3. Step 3: Cross multiply
   8,932.90x = 12,321.93 × 5,908.02
4. Step 4: Simplify right side
   8,932.90x = 72,798,179.34
5. Step 5: Solve for x
   x = 72,798,179.34/8,932.90
6. Step 6: Final answer
   x = 8,149.45