Finding the Fourth Proportional to 1,041.85, 1,437.50 and 648.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,041.85 : 1,437.50 = 648.59 : x
2. Step 2: Convert to fraction form
   1,041.85/1,437.50 = 648.59/x
3. Step 3: Cross multiply
   1,041.85x = 1,437.50 × 648.59
4. Step 4: Simplify right side
   1,041.85x = 932,344.88
5. Step 5: Solve for x
   x = 932,344.88/1,041.85
6. Step 6: Final answer
   x = 894.90