Finding the Fourth Proportional to 10,726.08, 16,074.32 and 7,740.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,726.08 : 16,074.32 = 7,740.72 : x
2. Step 2: Convert to fraction form
   10,726.08/16,074.32 = 7,740.72/x
3. Step 3: Cross multiply
   10,726.08x = 16,074.32 × 7,740.72
4. Step 4: Simplify right side
   10,726.08x = 124,426,771.61
5. Step 5: Solve for x
   x = 124,426,771.61/10,726.08
6. Step 6: Final answer
   x = 11,600.40