Finding the Fourth Proportional to 293,090.88, 404,462.72 and 165,791.36

Step by Step Solution

1. Step 1: Write the proportion equation
   293,090.88 : 404,462.72 = 165,791.36 : x
2. Step 2: Convert to fraction form
   293,090.88/404,462.72 = 165,791.36/x
3. Step 3: Cross multiply
   293,090.88x = 404,462.72 × 165,791.36
4. Step 4: Simplify right side
   293,090.88x = 67,056,424,418.10
5. Step 5: Solve for x
   x = 67,056,424,418.10/293,090.88
6. Step 6: Final answer
   x = 228,790.55