Finding the Fourth Proportional to 2,164,944.96, 2,987,631.96 and 1,171,512.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164,944.96 : 2,987,631.96 = 1,171,512.78 : x
2. Step 2: Convert to fraction form
   2,164,944.96/2,987,631.96 = 1,171,512.78/x
3. Step 3: Cross multiply
   2,164,944.96x = 2,987,631.96 × 1,171,512.78
4. Step 4: Simplify right side
   2,164,944.96x = 3,500,049,023,076.45
5. Step 5: Solve for x
   x = 3,500,049,023,076.45/2,164,944.96
6. Step 6: Final answer
   x = 1,616,691.92