Finding the Fourth Proportional to 42,234.32, 63,433.49 and 31,097.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,234.32 : 63,433.49 = 31,097.03 : x
2. Step 2: Convert to fraction form
   42,234.32/63,433.49 = 31,097.03/x
3. Step 3: Cross multiply
   42,234.32x = 63,433.49 × 31,097.03
4. Step 4: Simplify right side
   42,234.32x = 1,972,592,668.88
5. Step 5: Solve for x
   x = 1,972,592,668.88/42,234.32
6. Step 6: Final answer
   x = 46,705.92