Finding the Fourth Proportional to 3,200.31, 4,415.72 and 1,873.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,200.31 : 4,415.72 = 1,873.94 : x
2. Step 2: Convert to fraction form
   3,200.31/4,415.72 = 1,873.94/x
3. Step 3: Cross multiply
   3,200.31x = 4,415.72 × 1,873.94
4. Step 4: Simplify right side
   3,200.31x = 8,274,762.89
5. Step 5: Solve for x
   x = 8,274,762.89/3,200.31
6. Step 6: Final answer
   x = 2,585.61