Finding the Fourth Proportional to 2,065,307.82, 3,099,175.31 and 867,138

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065,307.82 : 3,099,175.31 = 867,138 : x
2. Step 2: Convert to fraction form
   2,065,307.82/3,099,175.31 = 867,138/x
3. Step 3: Cross multiply
   2,065,307.82x = 3,099,175.31 × 867,138
4. Step 4: Simplify right side
   2,065,307.82x = 2,687,412,679,962.78
5. Step 5: Solve for x
   x = 2,687,412,679,962.78/2,065,307.82
6. Step 6: Final answer
   x = 1,301,216.53