Finding the Fourth Proportional to 2,759,288.69, 4,139,595.52 and 866,030.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,759,288.69 : 4,139,595.52 = 866,030.13 : x
2. Step 2: Convert to fraction form
   2,759,288.69/4,139,595.52 = 866,030.13/x
3. Step 3: Cross multiply
   2,759,288.69x = 4,139,595.52 × 866,030.13
4. Step 4: Simplify right side
   2,759,288.69x = 3,585,014,444,167.94
5. Step 5: Solve for x
   x = 3,585,014,444,167.94/2,759,288.69
6. Step 6: Final answer
   x = 1,299,253.12