Finding the Fourth Proportional to 2,570,698.12, 3,853,372.56 and 863,574.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570,698.12 : 3,853,372.56 = 863,574.52 : x
2. Step 2: Convert to fraction form
   2,570,698.12/3,853,372.56 = 863,574.52/x
3. Step 3: Cross multiply
   2,570,698.12x = 3,853,372.56 × 863,574.52
4. Step 4: Simplify right side
   2,570,698.12x = 3,327,674,358,883.17
5. Step 5: Solve for x
   x = 3,327,674,358,883.17/2,570,698.12
6. Step 6: Final answer
   x = 1,294,463.30