Finding the Fourth Proportional to 1,361,422.72, 1,878,689.76 and 749,456.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361,422.72 : 1,878,689.76 = 749,456.32 : x
2. Step 2: Convert to fraction form
   1,361,422.72/1,878,689.76 = 749,456.32/x
3. Step 3: Cross multiply
   1,361,422.72x = 1,878,689.76 × 749,456.32
4. Step 4: Simplify right side
   1,361,422.72x = 1,407,995,913,951.28
5. Step 5: Solve for x
   x = 1,407,995,913,951.28/1,361,422.72
6. Step 6: Final answer
   x = 1,034,209.21