Finding the Fourth Proportional to 52,273.42, 72,147.85 and 31,048.58

Step by Step Solution

1. Step 1: Write the proportion equation
   52,273.42 : 72,147.85 = 31,048.58 : x
2. Step 2: Convert to fraction form
   52,273.42/72,147.85 = 31,048.58/x
3. Step 3: Cross multiply
   52,273.42x = 72,147.85 × 31,048.58
4. Step 4: Simplify right side
   52,273.42x = 2,240,088,395.30
5. Step 5: Solve for x
   x = 2,240,088,395.30/52,273.42
6. Step 6: Final answer
   x = 42,853.30