Finding the Fourth Proportional to 3,959,980.88, 5,464,773.61 and 2,149,144.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959,980.88 : 5,464,773.61 = 2,149,144.88 : x
2. Step 2: Convert to fraction form
   3,959,980.88/5,464,773.61 = 2,149,144.88/x
3. Step 3: Cross multiply
   3,959,980.88x = 5,464,773.61 × 2,149,144.88
4. Step 4: Simplify right side
   3,959,980.88x = 11,744,590,191,593.89
5. Step 5: Solve for x
   x = 11,744,590,191,593.89/3,959,980.88
6. Step 6: Final answer
   x = 2,965,819.93