Finding the Fourth Proportional to 2,759,290.69, 4,139,598.52 and 866,032.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,759,290.69 : 4,139,598.52 = 866,032.13 : x
2. Step 2: Convert to fraction form
   2,759,290.69/4,139,598.52 = 866,032.13/x
3. Step 3: Cross multiply
   2,759,290.69x = 4,139,598.52 × 866,032.13
4. Step 4: Simplify right side
   2,759,290.69x = 3,585,025,323,620.45
5. Step 5: Solve for x
   x = 3,585,025,323,620.45/2,759,290.69
6. Step 6: Final answer
   x = 1,299,256.12