Finding the Fourth Proportional to 13,012.62, 19,522.56 and 4,248.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.62 : 19,522.56 = 4,248.06 : x
2. Step 2: Convert to fraction form
   13,012.62/19,522.56 = 4,248.06/x
3. Step 3: Cross multiply
   13,012.62x = 19,522.56 × 4,248.06
4. Step 4: Simplify right side
   13,012.62x = 82,933,006.23
5. Step 5: Solve for x
   x = 82,933,006.23/13,012.62
6. Step 6: Final answer
   x = 6,373.28