Finding the Fourth Proportional to 2,619,736.86, 3,924,930.38 and 1,420,894.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,736.86 : 3,924,930.38 = 1,420,894.47 : x
2. Step 2: Convert to fraction form
   2,619,736.86/3,924,930.38 = 1,420,894.47/x
3. Step 3: Cross multiply
   2,619,736.86x = 3,924,930.38 × 1,420,894.47
4. Step 4: Simplify right side
   2,619,736.86x = 5,576,911,864,972.53
5. Step 5: Solve for x
   x = 5,576,911,864,972.53/2,619,736.86
6. Step 6: Final answer
   x = 2,128,806.12