Finding the Fourth Proportional to 2,141,584.34, 3,208,092.71 and 1,288,185.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,584.34 : 3,208,092.71 = 1,288,185.05 : x
2. Step 2: Convert to fraction form
   2,141,584.34/3,208,092.71 = 1,288,185.05/x
3. Step 3: Cross multiply
   2,141,584.34x = 3,208,092.71 × 1,288,185.05
4. Step 4: Simplify right side
   2,141,584.34x = 4,132,617,069,615.29
5. Step 5: Solve for x
   x = 4,132,617,069,615.29/2,141,584.34
6. Step 6: Final answer
   x = 1,929,700.83