Finding the Fourth Proportional to 293,019.50, 404,387.16 and 165,695.60

Step by Step Solution

1. Step 1: Write the proportion equation
   293,019.50 : 404,387.16 = 165,695.60 : x
2. Step 2: Convert to fraction form
   293,019.50/404,387.16 = 165,695.60/x
3. Step 3: Cross multiply
   293,019.50x = 404,387.16 × 165,695.60
4. Step 4: Simplify right side
   293,019.50x = 67,005,173,108.50
5. Step 5: Solve for x
   x = 67,005,173,108.50/293,019.50
6. Step 6: Final answer
   x = 228,671.38