Finding the Fourth Proportional to 1,155,259.28, 1,732,893.78 and 758,411.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,259.28 : 1,732,893.78 = 758,411.12 : x
2. Step 2: Convert to fraction form
   1,155,259.28/1,732,893.78 = 758,411.12/x
3. Step 3: Cross multiply
   1,155,259.28x = 1,732,893.78 × 758,411.12
4. Step 4: Simplify right side
   1,155,259.28x = 1,314,245,912,530.83
5. Step 5: Solve for x
   x = 1,314,245,912,530.83/1,155,259.28
6. Step 6: Final answer
   x = 1,137,619.87