Finding the Fourth Proportional to 209,123.37, 313,684.42 and 59,363.79

Step by Step Solution

1. Step 1: Write the proportion equation
   209,123.37 : 313,684.42 = 59,363.79 : x
2. Step 2: Convert to fraction form
   209,123.37/313,684.42 = 59,363.79/x
3. Step 3: Cross multiply
   209,123.37x = 313,684.42 × 59,363.79
4. Step 4: Simplify right side
   209,123.37x = 18,621,496,035.15
5. Step 5: Solve for x
   x = 18,621,496,035.15/209,123.37
6. Step 6: Final answer
   x = 89,045.50