Finding the Fourth Proportional to 49,501.72, 68,306.25 and 31,607.20

Step by Step Solution

1. Step 1: Write the proportion equation
   49,501.72 : 68,306.25 = 31,607.20 : x
2. Step 2: Convert to fraction form
   49,501.72/68,306.25 = 31,607.20/x
3. Step 3: Cross multiply
   49,501.72x = 68,306.25 × 31,607.20
4. Step 4: Simplify right side
   49,501.72x = 2,158,969,305
5. Step 5: Solve for x
   x = 2,158,969,305/49,501.72
6. Step 6: Final answer
   x = 43,614.03