Finding the Fourth Proportional to 293,438.61, 404,954.91 and 166,111.47

Step by Step Solution

1. Step 1: Write the proportion equation
   293,438.61 : 404,954.91 = 166,111.47 : x
2. Step 2: Convert to fraction form
   293,438.61/404,954.91 = 166,111.47/x
3. Step 3: Cross multiply
   293,438.61x = 404,954.91 × 166,111.47
4. Step 4: Simplify right side
   293,438.61x = 67,267,655,383.82
5. Step 5: Solve for x
   x = 67,267,655,383.82/293,438.61
6. Step 6: Final answer
   x = 229,239.28