Finding the Fourth Proportional to 9,911.84, 14,867.86 and 2,516.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,911.84 : 14,867.86 = 2,516.10 : x
2. Step 2: Convert to fraction form
   9,911.84/14,867.86 = 2,516.10/x
3. Step 3: Cross multiply
   9,911.84x = 14,867.86 × 2,516.10
4. Step 4: Simplify right side
   9,911.84x = 37,409,022.55
5. Step 5: Solve for x
   x = 37,409,022.55/9,911.84
6. Step 6: Final answer
   x = 3,774.18