Finding the Fourth Proportional to 5,168,085.98, 7,131,958.69 and 2,876,787.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,168,085.98 : 7,131,958.69 = 2,876,787.96 : x
2. Step 2: Convert to fraction form
   5,168,085.98/7,131,958.69 = 2,876,787.96/x
3. Step 3: Cross multiply
   5,168,085.98x = 7,131,958.69 × 2,876,787.96
4. Step 4: Simplify right side
   5,168,085.98x = 20,517,132,890,609.38
5. Step 5: Solve for x
   x = 20,517,132,890,609.38/5,168,085.98
6. Step 6: Final answer
   x = 3,969,967.41