Finding the Fourth Proportional to 10,778.61, 14,870.25 and 7,952.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,778.61 : 14,870.25 = 7,952.79 : x
2. Step 2: Convert to fraction form
   10,778.61/14,870.25 = 7,952.79/x
3. Step 3: Cross multiply
   10,778.61x = 14,870.25 × 7,952.79
4. Step 4: Simplify right side
   10,778.61x = 118,259,975.50
5. Step 5: Solve for x
   x = 118,259,975.50/10,778.61
6. Step 6: Final answer
   x = 10,971.73