Finding the Fourth Proportional to 9,459.60, 14,181.84 and 3,915.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,459.60 : 14,181.84 = 3,915.69 : x
2. Step 2: Convert to fraction form
   9,459.60/14,181.84 = 3,915.69/x
3. Step 3: Cross multiply
   9,459.60x = 14,181.84 × 3,915.69
4. Step 4: Simplify right side
   9,459.60x = 55,531,689.07
5. Step 5: Solve for x
   x = 55,531,689.07/9,459.60
6. Step 6: Final answer
   x = 5,870.41