Finding the Fourth Proportional to 10,416.18, 14,374.31 and 5,700.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,416.18 : 14,374.31 = 5,700.45 : x
2. Step 2: Convert to fraction form
   10,416.18/14,374.31 = 5,700.45/x
3. Step 3: Cross multiply
   10,416.18x = 14,374.31 × 5,700.45
4. Step 4: Simplify right side
   10,416.18x = 81,940,006.94
5. Step 5: Solve for x
   x = 81,940,006.94/10,416.18
6. Step 6: Final answer
   x = 7,866.61