Finding the Fourth Proportional to 5,400,705.38, 7,452,736.17 and 3,078,100.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,400,705.38 : 7,452,736.17 = 3,078,100.61 : x
2. Step 2: Convert to fraction form
   5,400,705.38/7,452,736.17 = 3,078,100.61/x
3. Step 3: Cross multiply
   5,400,705.38x = 7,452,736.17 × 3,078,100.61
4. Step 4: Simplify right side
   5,400,705.38x = 22,940,271,713,782.38
5. Step 5: Solve for x
   x = 22,940,271,713,782.38/5,400,705.38
6. Step 6: Final answer
   x = 4,247,643.62