Finding the Fourth Proportional to 1,041.72, 1,437.32 and 648.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,041.72 : 1,437.32 = 648.47 : x
2. Step 2: Convert to fraction form
   1,041.72/1,437.32 = 648.47/x
3. Step 3: Cross multiply
   1,041.72x = 1,437.32 × 648.47
4. Step 4: Simplify right side
   1,041.72x = 932,053.33
5. Step 5: Solve for x
   x = 932,053.33/1,041.72
6. Step 6: Final answer
   x = 894.73