Finding the Fourth Proportional to 49,557.42, 74,350.71 and 19,960.02

Step by Step Solution

1. Step 1: Write the proportion equation
   49,557.42 : 74,350.71 = 19,960.02 : x
2. Step 2: Convert to fraction form
   49,557.42/74,350.71 = 19,960.02/x
3. Step 3: Cross multiply
   49,557.42x = 74,350.71 × 19,960.02
4. Step 4: Simplify right side
   49,557.42x = 1,484,041,658.61
5. Step 5: Solve for x
   x = 1,484,041,658.61/49,557.42
6. Step 6: Final answer
   x = 29,945.90