Finding the Fourth Proportional to 5,161,819.88, 7,123,494.30 and 2,838,891.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,161,819.88 : 7,123,494.30 = 2,838,891.96 : x
2. Step 2: Convert to fraction form
   5,161,819.88/7,123,494.30 = 2,838,891.96/x
3. Step 3: Cross multiply
   5,161,819.88x = 7,123,494.30 × 2,838,891.96
4. Step 4: Simplify right side
   5,161,819.88x = 20,222,830,695,375.83
5. Step 5: Solve for x
   x = 20,222,830,695,375.83/5,161,819.88
6. Step 6: Final answer
   x = 3,917,771.48