Finding the Fourth Proportional to 10,680.57, 14,738.49 and 5,900.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,680.57 : 14,738.49 = 5,900.49 : x
2. Step 2: Convert to fraction form
   10,680.57/14,738.49 = 5,900.49/x
3. Step 3: Cross multiply
   10,680.57x = 14,738.49 × 5,900.49
4. Step 4: Simplify right side
   10,680.57x = 86,964,312.86
5. Step 5: Solve for x
   x = 86,964,312.86/10,680.57
6. Step 6: Final answer
   x = 8,142.29