Finding the Fourth Proportional to 2,116,105.40, 3,172,879.02 and 852,457.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,105.40 : 3,172,879.02 = 852,457.16 : x
2. Step 2: Convert to fraction form
   2,116,105.40/3,172,879.02 = 852,457.16/x
3. Step 3: Cross multiply
   2,116,105.40x = 3,172,879.02 × 852,457.16
4. Step 4: Simplify right side
   2,116,105.40x = 2,704,743,438,412.78
5. Step 5: Solve for x
   x = 2,704,743,438,412.78/2,116,105.40
6. Step 6: Final answer
   x = 1,278,170.47