Finding the Fourth Proportional to 10,415.72, 14,374.06 and 5,700.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,415.72 : 14,374.06 = 5,700.00 : x
2. Step 2: Convert to fraction form
   10,415.72/14,374.06 = 5,700.00/x
3. Step 3: Cross multiply
   10,415.72x = 14,374.06 × 5,700.00
4. Step 4: Simplify right side
   10,415.72x = 81,932,181.65
5. Step 5: Solve for x
   x = 81,932,181.65/10,415.72
6. Step 6: Final answer
   x = 7,866.20