Finding the Fourth Proportional to 13,066.20, 19,602.42 and 4,300.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066.20 : 19,602.42 = 4,300.62 : x
2. Step 2: Convert to fraction form
   13,066.20/19,602.42 = 4,300.62/x
3. Step 3: Cross multiply
   13,066.20x = 19,602.42 × 4,300.62
4. Step 4: Simplify right side
   13,066.20x = 84,302,559.50
5. Step 5: Solve for x
   x = 84,302,559.50/13,066.20
6. Step 6: Final answer
   x = 6,451.96