Finding the Fourth Proportional to 2,141,610.82, 3,208,132.34 and 1,288,211.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,610.82 : 3,208,132.34 = 1,288,211.50 : x
2. Step 2: Convert to fraction form
   2,141,610.82/3,208,132.34 = 1,288,211.50/x
3. Step 3: Cross multiply
   2,141,610.82x = 3,208,132.34 × 1,288,211.50
4. Step 4: Simplify right side
   2,141,610.82x = 4,132,752,973,909.91
5. Step 5: Solve for x
   x = 4,132,752,973,909.91/2,141,610.82
6. Step 6: Final answer
   x = 1,929,740.42