Finding the Fourth Proportional to 52,788.06, 72,871.83 and 31,276.38

Step by Step Solution

1. Step 1: Write the proportion equation
   52,788.06 : 72,871.83 = 31,276.38 : x
2. Step 2: Convert to fraction form
   52,788.06/72,871.83 = 31,276.38/x
3. Step 3: Cross multiply
   52,788.06x = 72,871.83 × 31,276.38
4. Step 4: Simplify right side
   52,788.06x = 2,279,167,046.38
5. Step 5: Solve for x
   x = 2,279,167,046.38/52,788.06
6. Step 6: Final answer
   x = 43,175.81