Finding the Fourth Proportional to 9,861.18, 14,791.90 and 2,841.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,861.18 : 14,791.90 = 2,841.31 : x
2. Step 2: Convert to fraction form
   9,861.18/14,791.90 = 2,841.31/x
3. Step 3: Cross multiply
   9,861.18x = 14,791.90 × 2,841.31
4. Step 4: Simplify right side
   9,861.18x = 42,028,373.39
5. Step 5: Solve for x
   x = 42,028,373.39/9,861.18
6. Step 6: Final answer
   x = 4,262.00