Finding the Fourth Proportional to 13,113, 19,667.52 and 4,346.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,113 : 19,667.52 = 4,346.82 : x
2. Step 2: Convert to fraction form
   13,113/19,667.52 = 4,346.82/x
3. Step 3: Cross multiply
   13,113x = 19,667.52 × 4,346.82
4. Step 4: Simplify right side
   13,113x = 85,491,169.29
5. Step 5: Solve for x
   x = 85,491,169.29/13,113
6. Step 6: Final answer
   x = 6,519.57