Finding the Fourth Proportional to 2,648,578.16, 3,972,903.69 and 755,319.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648,578.16 : 3,972,903.69 = 755,319.80 : x
2. Step 2: Convert to fraction form
   2,648,578.16/3,972,903.69 = 755,319.80/x
3. Step 3: Cross multiply
   2,648,578.16x = 3,972,903.69 × 755,319.80
4. Step 4: Simplify right side
   2,648,578.16x = 3,000,812,833,314.77
5. Step 5: Solve for x
   x = 3,000,812,833,314.77/2,648,578.16
6. Step 6: Final answer
   x = 1,132,990.10