Finding the Fourth Proportional to 2,171,646.56, 2,997,138.01 and 1,253,874.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,646.56 : 2,997,138.01 = 1,253,874.16 : x
2. Step 2: Convert to fraction form
   2,171,646.56/2,997,138.01 = 1,253,874.16/x
3. Step 3: Cross multiply
   2,171,646.56x = 2,997,138.01 × 1,253,874.16
4. Step 4: Simplify right side
   2,171,646.56x = 3,758,033,915,665.64
5. Step 5: Solve for x
   x = 3,758,033,915,665.64/2,171,646.56
6. Step 6: Final answer
   x = 1,730,499.79