Finding the Fourth Proportional to 8,987.34, 12,401.70 and 5,008.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,987.34 : 12,401.70 = 5,008.35 : x
2. Step 2: Convert to fraction form
   8,987.34/12,401.70 = 5,008.35/x
3. Step 3: Cross multiply
   8,987.34x = 12,401.70 × 5,008.35
4. Step 4: Simplify right side
   8,987.34x = 62,112,054.20
5. Step 5: Solve for x
   x = 62,112,054.20/8,987.34
6. Step 6: Final answer
   x = 6,911.06