Finding the Fourth Proportional to 2,660,720, 3,991,114.56 and 887,792

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660,720 : 3,991,114.56 = 887,792 : x
2. Step 2: Convert to fraction form
   2,660,720/3,991,114.56 = 887,792/x
3. Step 3: Cross multiply
   2,660,720x = 3,991,114.56 × 887,792
4. Step 4: Simplify right side
   2,660,720x = 3,543,279,577,451.52
5. Step 5: Solve for x
   x = 3,543,279,577,451.52/2,660,720
6. Step 6: Final answer
   x = 1,331,699.53