Finding the Fourth Proportional to 3,971,822.52, 5,480,951.34 and 2,160,993.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,971,822.52 : 5,480,951.34 = 2,160,993.72 : x
2. Step 2: Convert to fraction form
   3,971,822.52/5,480,951.34 = 2,160,993.72/x
3. Step 3: Cross multiply
   3,971,822.52x = 5,480,951.34 × 2,160,993.72
4. Step 4: Simplify right side
   3,971,822.52x = 11,844,301,425,365.59
5. Step 5: Solve for x
   x = 11,844,301,425,365.59/3,971,822.52
6. Step 6: Final answer
   x = 2,982,082.25