Finding the Fourth Proportional to 49,407.55, 68,221.73 and 45,629.33

Step by Step Solution

1. Step 1: Write the proportion equation
   49,407.55 : 68,221.73 = 45,629.33 : x
2. Step 2: Convert to fraction form
   49,407.55/68,221.73 = 45,629.33/x
3. Step 3: Cross multiply
   49,407.55x = 68,221.73 × 45,629.33
4. Step 4: Simplify right side
   49,407.55x = 3,112,911,831.34
5. Step 5: Solve for x
   x = 3,112,911,831.34/49,407.55
6. Step 6: Final answer
   x = 63,004.78