Finding the Fourth Proportional to 42,238.88, 63,440.33 and 31,101.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,238.88 : 63,440.33 = 31,101.58 : x
2. Step 2: Convert to fraction form
   42,238.88/63,440.33 = 31,101.58/x
3. Step 3: Cross multiply
   42,238.88x = 63,440.33 × 31,101.58
4. Step 4: Simplify right side
   42,238.88x = 1,973,094,498.72
5. Step 5: Solve for x
   x = 1,973,094,498.72/42,238.88
6. Step 6: Final answer
   x = 46,712.76