Finding the Fourth Proportional to 2,171,272.72, 2,996,493.60 and 1,253,671.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,272.72 : 2,996,493.60 = 1,253,671.32 : x
2. Step 2: Convert to fraction form
   2,171,272.72/2,996,493.60 = 1,253,671.32/x
3. Step 3: Cross multiply
   2,171,272.72x = 2,996,493.60 × 1,253,671.32
4. Step 4: Simplify right side
   2,171,272.72x = 3,756,618,086,883.55
5. Step 5: Solve for x
   x = 3,756,618,086,883.55/2,171,272.72
6. Step 6: Final answer
   x = 1,730,145.67