Finding the Fourth Proportional to 293,047.08, 404,484.69 and 172,227.30

Step by Step Solution

1. Step 1: Write the proportion equation
   293,047.08 : 404,484.69 = 172,227.30 : x
2. Step 2: Convert to fraction form
   293,047.08/404,484.69 = 172,227.30/x
3. Step 3: Cross multiply
   293,047.08x = 404,484.69 × 172,227.30
4. Step 4: Simplify right side
   293,047.08x = 69,663,306,050.04
5. Step 5: Solve for x
   x = 69,663,306,050.04/293,047.08
6. Step 6: Final answer
   x = 237,720.53