Finding the Fourth Proportional to 1,041.98, 1,437.63 and 648.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,041.98 : 1,437.63 = 648.86 : x
2. Step 2: Convert to fraction form
   1,041.98/1,437.63 = 648.86/x
3. Step 3: Cross multiply
   1,041.98x = 1,437.63 × 648.86
4. Step 4: Simplify right side
   1,041.98x = 932,820.60
5. Step 5: Solve for x
   x = 932,820.60/1,041.98
6. Step 6: Final answer
   x = 895.24