Finding the Fourth Proportional to 13,123.33, 19,684.72 and 4,358.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,123.33 : 19,684.72 = 4,358.32 : x
2. Step 2: Convert to fraction form
   13,123.33/19,684.72 = 4,358.32/x
3. Step 3: Cross multiply
   13,123.33x = 19,684.72 × 4,358.32
4. Step 4: Simplify right side
   13,123.33x = 85,792,308.87
5. Step 5: Solve for x
   x = 85,792,308.87/13,123.33
6. Step 6: Final answer
   x = 6,537.39