Finding the Fourth Proportional to 52,795.33, 72,881.46 and 31,288.57

Step by Step Solution

1. Step 1: Write the proportion equation
   52,795.33 : 72,881.46 = 31,288.57 : x
2. Step 2: Convert to fraction form
   52,795.33/72,881.46 = 31,288.57/x
3. Step 3: Cross multiply
   52,795.33x = 72,881.46 × 31,288.57
4. Step 4: Simplify right side
   52,795.33x = 2,280,356,662.91
5. Step 5: Solve for x
   x = 2,280,356,662.91/52,795.33
6. Step 6: Final answer
   x = 43,192.39