Finding the Fourth Proportional to 13,123.92, 19,688.34 and 4,241.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,123.92 : 19,688.34 = 4,241.58 : x
2. Step 2: Convert to fraction form
   13,123.92/19,688.34 = 4,241.58/x
3. Step 3: Cross multiply
   13,123.92x = 19,688.34 × 4,241.58
4. Step 4: Simplify right side
   13,123.92x = 83,509,669.18
5. Step 5: Solve for x
   x = 83,509,669.18/13,123.92
6. Step 6: Final answer
   x = 6,363.17