Finding the Fourth Proportional to 2,141,449.61, 3,207,891.67 and 1,288,050.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,449.61 : 3,207,891.67 = 1,288,050.01 : x
2. Step 2: Convert to fraction form
   2,141,449.61/3,207,891.67 = 1,288,050.01/x
3. Step 3: Cross multiply
   2,141,449.61x = 3,207,891.67 × 1,288,050.01
4. Step 4: Simplify right side
   2,141,449.61x = 4,131,924,886,382.56
5. Step 5: Solve for x
   x = 4,131,924,886,382.56/2,141,449.61
6. Step 6: Final answer
   x = 1,929,499.01