Finding the Fourth Proportional to 3,478,978.80, 4,801,025.52 and 1,951,053.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,478,978.80 : 4,801,025.52 = 1,951,053.12 : x
2. Step 2: Convert to fraction form
   3,478,978.80/4,801,025.52 = 1,951,053.12/x
3. Step 3: Cross multiply
   3,478,978.80x = 4,801,025.52 × 1,951,053.12
4. Step 4: Simplify right side
   3,478,978.80x = 9,367,055,819,995.62
5. Step 5: Solve for x
   x = 9,367,055,819,995.62/3,478,978.80
6. Step 6: Final answer
   x = 2,692,472.81