Finding the Fourth Proportional to 12,875, 19,308.66 and 4,976.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,875 : 19,308.66 = 4,976.12 : x
2. Step 2: Convert to fraction form
   12,875/19,308.66 = 4,976.12/x
3. Step 3: Cross multiply
   12,875x = 19,308.66 × 4,976.12
4. Step 4: Simplify right side
   12,875x = 96,082,209.20
5. Step 5: Solve for x
   x = 96,082,209.20/12,875
6. Step 6: Final answer
   x = 7,462.70