Finding the Fourth Proportional to 13,118.04, 19,667.75 and 4,230.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,118.04 : 19,667.75 = 4,230.62 : x
2. Step 2: Convert to fraction form
   13,118.04/19,667.75 = 4,230.62/x
3. Step 3: Cross multiply
   13,118.04x = 19,667.75 × 4,230.62
4. Step 4: Simplify right side
   13,118.04x = 83,206,730.77
5. Step 5: Solve for x
   x = 83,206,730.77/13,118.04
6. Step 6: Final answer
   x = 6,342.92