Finding the Fourth Proportional to 12,506.64, 18,760.00 and 5,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,506.64 : 18,760.00 = 5,111.10 : x
2. Step 2: Convert to fraction form
   12,506.64/18,760.00 = 5,111.10/x
3. Step 3: Cross multiply
   12,506.64x = 18,760.00 × 5,111.10
4. Step 4: Simplify right side
   12,506.64x = 95,884,210.44
5. Step 5: Solve for x
   x = 95,884,210.44/12,506.64
6. Step 6: Final answer
   x = 7,666.66