Finding the Fourth Proportional to 2,417,025.60, 3,335,233.86 and 1,398,240

Step by Step Solution

1. Step 1: Write the proportion equation
   2,417,025.60 : 3,335,233.86 = 1,398,240 : x
2. Step 2: Convert to fraction form
   2,417,025.60/3,335,233.86 = 1,398,240/x
3. Step 3: Cross multiply
   2,417,025.60x = 3,335,233.86 × 1,398,240
4. Step 4: Simplify right side
   2,417,025.60x = 4,663,457,392,406.40
5. Step 5: Solve for x
   x = 4,663,457,392,406.40/2,417,025.60
6. Step 6: Final answer
   x = 1,929,419.94