Finding the Fourth Proportional to 2,478,214, 3,419,994.27 and 1,390,566.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478,214 : 3,419,994.27 = 1,390,566.04 : x
2. Step 2: Convert to fraction form
   2,478,214/3,419,994.27 = 1,390,566.04/x
3. Step 3: Cross multiply
   2,478,214x = 3,419,994.27 × 1,390,566.04
4. Step 4: Simplify right side
   2,478,214x = 4,755,727,888,856.59
5. Step 5: Solve for x
   x = 4,755,727,888,856.59/2,478,214
6. Step 6: Final answer
   x = 1,919,014.21