Finding the Fourth Proportional to 2,606,312.99, 3,909,618.27 and 876,488.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606,312.99 : 3,909,618.27 = 876,488.49 : x
2. Step 2: Convert to fraction form
   2,606,312.99/3,909,618.27 = 876,488.49/x
3. Step 3: Cross multiply
   2,606,312.99x = 3,909,618.27 × 876,488.49
4. Step 4: Simplify right side
   2,606,312.99x = 3,426,735,413,948.71
5. Step 5: Solve for x
   x = 3,426,735,413,948.71/2,606,312.99
6. Step 6: Final answer
   x = 1,314,782.77