Finding the Fourth Proportional to 7,092.91, 9,787.32 and 4,108.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,092.91 : 9,787.32 = 4,108.72 : x
2. Step 2: Convert to fraction form
   7,092.91/9,787.32 = 4,108.72/x
3. Step 3: Cross multiply
   7,092.91x = 9,787.32 × 4,108.72
4. Step 4: Simplify right side
   7,092.91x = 40,213,357.43
5. Step 5: Solve for x
   x = 40,213,357.43/7,092.91
6. Step 6: Final answer
   x = 5,669.51