Finding the Fourth Proportional to 13,012.89, 19,522.45 and 4,247.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.89 : 19,522.45 = 4,247.82 : x
2. Step 2: Convert to fraction form
   13,012.89/19,522.45 = 4,247.82/x
3. Step 3: Cross multiply
   13,012.89x = 19,522.45 × 4,247.82
4. Step 4: Simplify right side
   13,012.89x = 82,927,832.32
5. Step 5: Solve for x
   x = 82,927,832.32/13,012.89
6. Step 6: Final answer
   x = 6,372.75