Finding the Fourth Proportional to 45,896.72, 63,286.86 and 31,724.96

Step by Step Solution

1. Step 1: Write the proportion equation
   45,896.72 : 63,286.86 = 31,724.96 : x
2. Step 2: Convert to fraction form
   45,896.72/63,286.86 = 31,724.96/x
3. Step 3: Cross multiply
   45,896.72x = 63,286.86 × 31,724.96
4. Step 4: Simplify right side
   45,896.72x = 2,007,772,785.59
5. Step 5: Solve for x
   x = 2,007,772,785.59/45,896.72
6. Step 6: Final answer
   x = 43,745.46