Finding the Fourth Proportional to 49,311.48, 68,062.50 and 30,437.76

Step by Step Solution

1. Step 1: Write the proportion equation
   49,311.48 : 68,062.50 = 30,437.76 : x
2. Step 2: Convert to fraction form
   49,311.48/68,062.50 = 30,437.76/x
3. Step 3: Cross multiply
   49,311.48x = 68,062.50 × 30,437.76
4. Step 4: Simplify right side
   49,311.48x = 2,071,670,040
5. Step 5: Solve for x
   x = 2,071,670,040/49,311.48
6. Step 6: Final answer
   x = 42,011.92