Finding the Fourth Proportional to 10,623.72, 14,660.82 and 5,907.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,623.72 : 14,660.82 = 5,907.90 : x
2. Step 2: Convert to fraction form
   10,623.72/14,660.82 = 5,907.90/x
3. Step 3: Cross multiply
   10,623.72x = 14,660.82 × 5,907.90
4. Step 4: Simplify right side
   10,623.72x = 86,614,658.48
5. Step 5: Solve for x
   x = 86,614,658.48/10,623.72
6. Step 6: Final answer
   x = 8,152.95