Finding the Fourth Proportional to 10,777.61, 14,868.87 and 7,951.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,777.61 : 14,868.87 = 7,951.79 : x
2. Step 2: Convert to fraction form
   10,777.61/14,868.87 = 7,951.79/x
3. Step 3: Cross multiply
   10,777.61x = 14,868.87 × 7,951.79
4. Step 4: Simplify right side
   10,777.61x = 118,234,131.78
5. Step 5: Solve for x
   x = 118,234,131.78/10,777.61
6. Step 6: Final answer
   x = 10,970.35