Finding the Fourth Proportional to 293,436.91, 404,944.61 and 172,583.29

Step by Step Solution

1. Step 1: Write the proportion equation
   293,436.91 : 404,944.61 = 172,583.29 : x
2. Step 2: Convert to fraction form
   293,436.91/404,944.61 = 172,583.29/x
3. Step 3: Cross multiply
   293,436.91x = 404,944.61 × 172,583.29
4. Step 4: Simplify right side
   293,436.91x = 69,886,673,061.57
5. Step 5: Solve for x
   x = 69,886,673,061.57/293,436.91
6. Step 6: Final answer
   x = 238,165.92