Finding the Fourth Proportional to 2,077,131.80, 3,113,364.90 and 878,850.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077,131.80 : 3,113,364.90 = 878,850.20 : x
2. Step 2: Convert to fraction form
   2,077,131.80/3,113,364.90 = 878,850.20/x
3. Step 3: Cross multiply
   2,077,131.80x = 3,113,364.90 × 878,850.20
4. Step 4: Simplify right side
   2,077,131.80x = 2,736,181,365,037.98
5. Step 5: Solve for x
   x = 2,736,181,365,037.98/2,077,131.80
6. Step 6: Final answer
   x = 1,317,288.27