Finding the Fourth Proportional to 209,123.49, 313,684.61 and 59,363.91

Step by Step Solution

1. Step 1: Write the proportion equation
   209,123.49 : 313,684.61 = 59,363.91 : x
2. Step 2: Convert to fraction form
   209,123.49/313,684.61 = 59,363.91/x
3. Step 3: Cross multiply
   209,123.49x = 313,684.61 × 59,363.91
4. Step 4: Simplify right side
   209,123.49x = 18,621,544,659.61
5. Step 5: Solve for x
   x = 18,621,544,659.61/209,123.49
6. Step 6: Final answer
   x = 89,045.69