Finding the Fourth Proportional to 9,937.05, 14,899.91 and 4,086.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,937.05 : 14,899.91 = 4,086.69 : x
2. Step 2: Convert to fraction form
   9,937.05/14,899.91 = 4,086.69/x
3. Step 3: Cross multiply
   9,937.05x = 14,899.91 × 4,086.69
4. Step 4: Simplify right side
   9,937.05x = 60,891,292.76
5. Step 5: Solve for x
   x = 60,891,292.76/9,937.05
6. Step 6: Final answer
   x = 6,127.70