Finding the Fourth Proportional to 2,141,501.60, 3,207,969.56 and 1,288,102

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,501.60 : 3,207,969.56 = 1,288,102 : x
2. Step 2: Convert to fraction form
   2,141,501.60/3,207,969.56 = 1,288,102/x
3. Step 3: Cross multiply
   2,141,501.60x = 3,207,969.56 × 1,288,102
4. Step 4: Simplify right side
   2,141,501.60x = 4,132,192,006,175.12
5. Step 5: Solve for x
   x = 4,132,192,006,175.12/2,141,501.60
6. Step 6: Final answer
   x = 1,929,576.89