Finding the Fourth Proportional to 10,416.51, 14,374.78 and 5,700.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,416.51 : 14,374.78 = 5,700.79 : x
2. Step 2: Convert to fraction form
   10,416.51/14,374.78 = 5,700.79/x
3. Step 3: Cross multiply
   10,416.51x = 14,374.78 × 5,700.79
4. Step 4: Simplify right side
   10,416.51x = 81,947,530.20
5. Step 5: Solve for x
   x = 81,947,530.20/10,416.51
6. Step 6: Final answer
   x = 7,867.08