Finding the Fourth Proportional to 293,066.40, 404,490.56 and 172,246.72

Step by Step Solution

1. Step 1: Write the proportion equation
   293,066.40 : 404,490.56 = 172,246.72 : x
2. Step 2: Convert to fraction form
   293,066.40/404,490.56 = 172,246.72/x
3. Step 3: Cross multiply
   293,066.40x = 404,490.56 × 172,246.72
4. Step 4: Simplify right side
   293,066.40x = 69,672,172,230.96
5. Step 5: Solve for x
   x = 69,672,172,230.96/293,066.40
6. Step 6: Final answer
   x = 237,735.11