Finding the Fourth Proportional to 13,008.02, 19,513.20 and 3,648.14

Step by Step Solution

1. Step 1: Write the proportion equation
   13,008.02 : 19,513.20 = 3,648.14 : x
2. Step 2: Convert to fraction form
   13,008.02/19,513.20 = 3,648.14/x
3. Step 3: Cross multiply
   13,008.02x = 19,513.20 × 3,648.14
4. Step 4: Simplify right side
   13,008.02x = 71,186,885.45
5. Step 5: Solve for x
   x = 71,186,885.45/13,008.02
6. Step 6: Final answer
   x = 5,472.54