Finding the Fourth Proportional to 2,575,164.24, 3,862,567.55 and 778,057.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575,164.24 : 3,862,567.55 = 778,057.13 : x
2. Step 2: Convert to fraction form
   2,575,164.24/3,862,567.55 = 778,057.13/x
3. Step 3: Cross multiply
   2,575,164.24x = 3,862,567.55 × 778,057.13
4. Step 4: Simplify right side
   2,575,164.24x = 3,005,298,233,985.69
5. Step 5: Solve for x
   x = 3,005,298,233,985.69/2,575,164.24
6. Step 6: Final answer
   x = 1,167,031.67