Finding the Fourth Proportional to 52,292.64, 72,174.33 and 31,067.82

Step by Step Solution

1. Step 1: Write the proportion equation
   52,292.64 : 72,174.33 = 31,067.82 : x
2. Step 2: Convert to fraction form
   52,292.64/72,174.33 = 31,067.82/x
3. Step 3: Cross multiply
   52,292.64x = 72,174.33 × 31,067.82
4. Step 4: Simplify right side
   52,292.64x = 2,242,299,093.06
5. Step 5: Solve for x
   x = 2,242,299,093.06/52,292.64
6. Step 6: Final answer
   x = 42,879.82