Finding the Fourth Proportional to 2,359,540.78, 3,256,072.49 and 1,392,982.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359,540.78 : 3,256,072.49 = 1,392,982.47 : x
2. Step 2: Convert to fraction form
   2,359,540.78/3,256,072.49 = 1,392,982.47/x
3. Step 3: Cross multiply
   2,359,540.78x = 3,256,072.49 × 1,392,982.47
4. Step 4: Simplify right side
   2,359,540.78x = 4,535,651,903,101.71
5. Step 5: Solve for x
   x = 4,535,651,903,101.71/2,359,540.78
6. Step 6: Final answer
   x = 1,922,260.44