Finding the Fourth Proportional to 293,223.21, 404,656.56 and 165,896.07

Step by Step Solution

1. Step 1: Write the proportion equation
   293,223.21 : 404,656.56 = 165,896.07 : x
2. Step 2: Convert to fraction form
   293,223.21/404,656.56 = 165,896.07/x
3. Step 3: Cross multiply
   293,223.21x = 404,656.56 × 165,896.07
4. Step 4: Simplify right side
   293,223.21x = 67,130,933,003.72
5. Step 5: Solve for x
   x = 67,130,933,003.72/293,223.21
6. Step 6: Final answer
   x = 228,941.40