Finding the Fourth Proportional to 2,643,216.12, 3,964,988.34 and 750,105.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643,216.12 : 3,964,988.34 = 750,105.72 : x
2. Step 2: Convert to fraction form
   2,643,216.12/3,964,988.34 = 750,105.72/x
3. Step 3: Cross multiply
   2,643,216.12x = 3,964,988.34 × 750,105.72
4. Step 4: Simplify right side
   2,643,216.12x = 2,974,160,433,567.31
5. Step 5: Solve for x
   x = 2,974,160,433,567.31/2,643,216.12
6. Step 6: Final answer
   x = 1,125,205.17