Finding the Fourth Proportional to 49,077.47, 67,690.27 and 33,145.31

Step by Step Solution

1. Step 1: Write the proportion equation
   49,077.47 : 67,690.27 = 33,145.31 : x
2. Step 2: Convert to fraction form
   49,077.47/67,690.27 = 33,145.31/x
3. Step 3: Cross multiply
   49,077.47x = 67,690.27 × 33,145.31
4. Step 4: Simplify right side
   49,077.47x = 2,243,614,983.13
5. Step 5: Solve for x
   x = 2,243,614,983.13/49,077.47
6. Step 6: Final answer
   x = 45,715.78