Finding the Fourth Proportional to 49,003.43, 73,529.46 and 19,420.61

Step by Step Solution

1. Step 1: Write the proportion equation
   49,003.43 : 73,529.46 = 19,420.61 : x
2. Step 2: Convert to fraction form
   49,003.43/73,529.46 = 19,420.61/x
3. Step 3: Cross multiply
   49,003.43x = 73,529.46 × 19,420.61
4. Step 4: Simplify right side
   49,003.43x = 1,427,986,598.52
5. Step 5: Solve for x
   x = 1,427,986,598.52/49,003.43
6. Step 6: Final answer
   x = 29,140.55