Finding the Fourth Proportional to 2,485,488.28, 3,429,941.22 and 1,397,759.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,488.28 : 3,429,941.22 = 1,397,759.50 : x
2. Step 2: Convert to fraction form
   2,485,488.28/3,429,941.22 = 1,397,759.50/x
3. Step 3: Cross multiply
   2,485,488.28x = 3,429,941.22 × 1,397,759.50
4. Step 4: Simplify right side
   2,485,488.28x = 4,794,232,924,696.59
5. Step 5: Solve for x
   x = 4,794,232,924,696.59/2,485,488.28
6. Step 6: Final answer
   x = 1,928,889.77