Finding the Fourth Proportional to 42,238.32, 63,439.49 and 31,101.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,238.32 : 63,439.49 = 31,101.03 : x
2. Step 2: Convert to fraction form
   42,238.32/63,439.49 = 31,101.03/x
3. Step 3: Cross multiply
   42,238.32x = 63,439.49 × 31,101.03
4. Step 4: Simplify right side
   42,238.32x = 1,973,033,481.67
5. Step 5: Solve for x
   x = 1,973,033,481.67/42,238.32
6. Step 6: Final answer
   x = 46,711.93