Finding the Fourth Proportional to 3,141.12, 4,706.82 and 2,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,141.12 : 4,706.82 = 2,086.50 : x
2. Step 2: Convert to fraction form
   3,141.12/4,706.82 = 2,086.50/x
3. Step 3: Cross multiply
   3,141.12x = 4,706.82 × 2,086.50
4. Step 4: Simplify right side
   3,141.12x = 9,820,779.93
5. Step 5: Solve for x
   x = 9,820,779.93/3,141.12
6. Step 6: Final answer
   x = 3,126.52