Finding the Fourth Proportional to 1,157,150.88, 1,728,689.49 and 749,018.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157,150.88 : 1,728,689.49 = 749,018.34 : x
2. Step 2: Convert to fraction form
   1,157,150.88/1,728,689.49 = 749,018.34/x
3. Step 3: Cross multiply
   1,157,150.88x = 1,728,689.49 × 749,018.34
4. Step 4: Simplify right side
   1,157,150.88x = 1,294,820,132,175.25
5. Step 5: Solve for x
   x = 1,294,820,132,175.25/1,157,150.88
6. Step 6: Final answer
   x = 1,118,972.60