Finding the Fourth Proportional to 2,141,459.34, 3,207,906.27 and 1,288,059.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,459.34 : 3,207,906.27 = 1,288,059.75 : x
2. Step 2: Convert to fraction form
   2,141,459.34/3,207,906.27 = 1,288,059.75/x
3. Step 3: Cross multiply
   2,141,459.34x = 3,207,906.27 × 1,288,059.75
4. Step 4: Simplify right side
   2,141,459.34x = 4,131,974,948,159.63
5. Step 5: Solve for x
   x = 4,131,974,948,159.63/2,141,459.34
6. Step 6: Final answer
   x = 1,929,513.61