Finding the Fourth Proportional to 52,795.55, 72,857.85 and 31,574.81

Step by Step Solution

1. Step 1: Write the proportion equation
   52,795.55 : 72,857.85 = 31,574.81 : x
2. Step 2: Convert to fraction form
   52,795.55/72,857.85 = 31,574.81/x
3. Step 3: Cross multiply
   52,795.55x = 72,857.85 × 31,574.81
4. Step 4: Simplify right side
   52,795.55x = 2,300,473,100.91
5. Step 5: Solve for x
   x = 2,300,473,100.91/52,795.55
6. Step 6: Final answer
   x = 43,573.24