Finding the Fourth Proportional to 42,323.92, 63,733.23 and 31,308.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,323.92 : 63,733.23 = 31,308.32 : x
2. Step 2: Convert to fraction form
   42,323.92/63,733.23 = 31,308.32/x
3. Step 3: Cross multiply
   42,323.92x = 63,733.23 × 31,308.32
4. Step 4: Simplify right side
   42,323.92x = 1,995,380,518.81
5. Step 5: Solve for x
   x = 1,995,380,518.81/42,323.92
6. Step 6: Final answer
   x = 47,145.46