Finding the Fourth Proportional to 41,747.58, 57,666.88 and 31,118.76

Step by Step Solution

1. Step 1: Write the proportion equation
   41,747.58 : 57,666.88 = 31,118.76 : x
2. Step 2: Convert to fraction form
   41,747.58/57,666.88 = 31,118.76/x
3. Step 3: Cross multiply
   41,747.58x = 57,666.88 × 31,118.76
4. Step 4: Simplify right side
   41,747.58x = 1,794,521,798.67
5. Step 5: Solve for x
   x = 1,794,521,798.67/41,747.58
6. Step 6: Final answer
   x = 42,985.05