Finding the Fourth Proportional to 13,269.87, 19,906.43 and 4,507.29

Step by Step Solution

1. Step 1: Write the proportion equation
   13,269.87 : 19,906.43 = 4,507.29 : x
2. Step 2: Convert to fraction form
   13,269.87/19,906.43 = 4,507.29/x
3. Step 3: Cross multiply
   13,269.87x = 19,906.43 × 4,507.29
4. Step 4: Simplify right side
   13,269.87x = 89,724,030.34
5. Step 5: Solve for x
   x = 89,724,030.34/13,269.87
6. Step 6: Final answer
   x = 6,761.49