Finding the Fourth Proportional to 2,878,061.76, 4,316,340.96 and 855,761.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,878,061.76 : 4,316,340.96 = 855,761.12 : x
2. Step 2: Convert to fraction form
   2,878,061.76/4,316,340.96 = 855,761.12/x
3. Step 3: Cross multiply
   2,878,061.76x = 4,316,340.96 × 855,761.12
4. Step 4: Simplify right side
   2,878,061.76x = 3,693,756,774,231.48
5. Step 5: Solve for x
   x = 3,693,756,774,231.48/2,878,061.76
6. Step 6: Final answer
   x = 1,283,418.18