Finding the Fourth Proportional to 13,216.51, 19,819 and 5,002.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,216.51 : 19,819 = 5,002.75 : x
2. Step 2: Convert to fraction form
   13,216.51/19,819 = 5,002.75/x
3. Step 3: Cross multiply
   13,216.51x = 19,819 × 5,002.75
4. Step 4: Simplify right side
   13,216.51x = 99,149,502.25
5. Step 5: Solve for x
   x = 99,149,502.25/13,216.51
6. Step 6: Final answer
   x = 7,501.94