Finding the Fourth Proportional to 1,577,131.50, 2,176,443.39 and 851,979.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577,131.50 : 2,176,443.39 = 851,979.18 : x
2. Step 2: Convert to fraction form
   1,577,131.50/2,176,443.39 = 851,979.18/x
3. Step 3: Cross multiply
   1,577,131.50x = 2,176,443.39 × 851,979.18
4. Step 4: Simplify right side
   1,577,131.50x = 1,854,284,454,728.62
5. Step 5: Solve for x
   x = 1,854,284,454,728.62/1,577,131.50
6. Step 6: Final answer
   x = 1,175,732.31