Finding the Fourth Proportional to 2,240,397.69, 3,359,490.61 and 977,678.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240,397.69 : 3,359,490.61 = 977,678.97 : x
2. Step 2: Convert to fraction form
   2,240,397.69/3,359,490.61 = 977,678.97/x
3. Step 3: Cross multiply
   2,240,397.69x = 3,359,490.61 × 977,678.97
4. Step 4: Simplify right side
   2,240,397.69x = 3,284,503,297,623.62
5. Step 5: Solve for x
   x = 3,284,503,297,623.62/2,240,397.69
6. Step 6: Final answer
   x = 1,466,035.84