Finding the Fourth Proportional to 2,485,466.28, 3,429,910.86 and 1,397,737.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,466.28 : 3,429,910.86 = 1,397,737.50 : x
2. Step 2: Convert to fraction form
   2,485,466.28/3,429,910.86 = 1,397,737.50/x
3. Step 3: Cross multiply
   2,485,466.28x = 3,429,910.86 × 1,397,737.50
4. Step 4: Simplify right side
   2,485,466.28x = 4,794,115,030,679.25
5. Step 5: Solve for x
   x = 4,794,115,030,679.25/2,485,466.28
6. Step 6: Final answer
   x = 1,928,859.41