Finding the Fourth Proportional to 5,290,760.25, 7,936,550.55 and 1,647,032.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,290,760.25 : 7,936,550.55 = 1,647,032.40 : x
2. Step 2: Convert to fraction form
   5,290,760.25/7,936,550.55 = 1,647,032.40/x
3. Step 3: Cross multiply
   5,290,760.25x = 7,936,550.55 × 1,647,032.40
4. Step 4: Simplify right side
   5,290,760.25x = 13,071,755,900,087.82
5. Step 5: Solve for x
   x = 13,071,755,900,087.82/5,290,760.25
6. Step 6: Final answer
   x = 2,470,676.29