Finding the Fourth Proportional to 2,147,385.78, 3,221,604.63 and 1,068,407.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,385.78 : 3,221,604.63 = 1,068,407.46 : x
2. Step 2: Convert to fraction form
   2,147,385.78/3,221,604.63 = 1,068,407.46/x
3. Step 3: Cross multiply
   2,147,385.78x = 3,221,604.63 × 1,068,407.46
4. Step 4: Simplify right side
   2,147,385.78x = 3,441,986,419,862.54
5. Step 5: Solve for x
   x = 3,441,986,419,862.54/2,147,385.78
6. Step 6: Final answer
   x = 1,602,872.88