Finding the Fourth Proportional to 8,685.99, 11,987.82 and 5,002.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,685.99 : 11,987.82 = 5,002.38 : x
2. Step 2: Convert to fraction form
   8,685.99/11,987.82 = 5,002.38/x
3. Step 3: Cross multiply
   8,685.99x = 11,987.82 × 5,002.38
4. Step 4: Simplify right side
   8,685.99x = 59,967,631.01
5. Step 5: Solve for x
   x = 59,967,631.01/8,685.99
6. Step 6: Final answer
   x = 6,903.95