Finding the Fourth Proportional to 9,910.62, 14,863.58 and 3,987.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,910.62 : 14,863.58 = 3,987.53 : x
2. Step 2: Convert to fraction form
   9,910.62/14,863.58 = 3,987.53/x
3. Step 3: Cross multiply
   9,910.62x = 14,863.58 × 3,987.53
4. Step 4: Simplify right side
   9,910.62x = 59,268,951.22
5. Step 5: Solve for x
   x = 59,268,951.22/9,910.62
6. Step 6: Final answer
   x = 5,980.35