Finding the Fourth Proportional to 2,575,786,741.32, 3,862,861,002.72 and 828,582,769.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575,786,741.32 : 3,862,861,002.72 = 828,582,769.92 : x
2. Step 2: Convert to fraction form
   2,575,786,741.32/3,862,861,002.72 = 828,582,769.92/x
3. Step 3: Cross multiply
   2,575,786,741.32x = 3,862,861,002.72 × 828,582,769.92
4. Step 4: Simplify right side
   2,575,786,741.32x = 3,200,700,069,449,686,016
5. Step 5: Solve for x
   x = 3,200,700,069,449,686,016/2,575,786,741.32
6. Step 6: Final answer
   x = 1,242,610,662.64