Finding the Fourth Proportional to 2,575,074.48, 3,553,437.24 and 1,429,155.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575,074.48 : 3,553,437.24 = 1,429,155.60 : x
2. Step 2: Convert to fraction form
   2,575,074.48/3,553,437.24 = 1,429,155.60/x
3. Step 3: Cross multiply
   2,575,074.48x = 3,553,437.24 × 1,429,155.60
4. Step 4: Simplify right side
   2,575,074.48x = 5,078,414,730,794.55
5. Step 5: Solve for x
   x = 5,078,414,730,794.55/2,575,074.48
6. Step 6: Final answer
   x = 1,972,142.85