Finding the Fourth Proportional to 2,569,878.12, 3,852,104.55 and 862,402.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569,878.12 : 3,852,104.55 = 862,402.48 : x
2. Step 2: Convert to fraction form
   2,569,878.12/3,852,104.55 = 862,402.48/x
3. Step 3: Cross multiply
   2,569,878.12x = 3,852,104.55 × 862,402.48
4. Step 4: Simplify right side
   2,569,878.12x = 3,322,064,504,275.01
5. Step 5: Solve for x
   x = 3,322,064,504,275.01/2,569,878.12
6. Step 6: Final answer
   x = 1,292,693.41