Finding the Fourth Proportional to 10,870.58, 16,307.68 and 3,372.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.58 : 16,307.68 = 3,372.40 : x
2. Step 2: Convert to fraction form
   10,870.58/16,307.68 = 3,372.40/x
3. Step 3: Cross multiply
   10,870.58x = 16,307.68 × 3,372.40
4. Step 4: Simplify right side
   10,870.58x = 54,996,020.03
5. Step 5: Solve for x
   x = 54,996,020.03/10,870.58
6. Step 6: Final answer
   x = 5,059.16