Finding the Fourth Proportional to 293,050.56, 404,488.62 and 172,272.78

Step by Step Solution

1. Step 1: Write the proportion equation
   293,050.56 : 404,488.62 = 172,272.78 : x
2. Step 2: Convert to fraction form
   293,050.56/404,488.62 = 172,272.78/x
3. Step 3: Cross multiply
   293,050.56x = 404,488.62 × 172,272.78
4. Step 4: Simplify right side
   293,050.56x = 69,682,379,045.76
5. Step 5: Solve for x
   x = 69,682,379,045.76/293,050.56
6. Step 6: Final answer
   x = 237,782.79