Finding the Fourth Proportional to 2,598,514.74, 3,897,729.18 and 776,883.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598,514.74 : 3,897,729.18 = 776,883.87 : x
2. Step 2: Convert to fraction form
   2,598,514.74/3,897,729.18 = 776,883.87/x
3. Step 3: Cross multiply
   2,598,514.74x = 3,897,729.18 × 776,883.87
4. Step 4: Simplify right side
   2,598,514.74x = 3,028,082,929,570.33
5. Step 5: Solve for x
   x = 3,028,082,929,570.33/2,598,514.74
6. Step 6: Final answer
   x = 1,165,312.97