Finding the Fourth Proportional to 2,077,272.42, 3,115,427.49 and 657,063.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077,272.42 : 3,115,427.49 = 657,063.78 : x
2. Step 2: Convert to fraction form
   2,077,272.42/3,115,427.49 = 657,063.78/x
3. Step 3: Cross multiply
   2,077,272.42x = 3,115,427.49 × 657,063.78
4. Step 4: Simplify right side
   2,077,272.42x = 2,047,034,562,895.31
5. Step 5: Solve for x
   x = 2,047,034,562,895.31/2,077,272.42
6. Step 6: Final answer
   x = 985,443.48