Finding the Fourth Proportional to 49,080.11, 67,710.38 and 31,168.58

Step by Step Solution

1. Step 1: Write the proportion equation
   49,080.11 : 67,710.38 = 31,168.58 : x
2. Step 2: Convert to fraction form
   49,080.11/67,710.38 = 31,168.58/x
3. Step 3: Cross multiply
   49,080.11x = 67,710.38 × 31,168.58
4. Step 4: Simplify right side
   49,080.11x = 2,110,435,901.47
5. Step 5: Solve for x
   x = 2,110,435,901.47/49,080.11
6. Step 6: Final answer
   x = 42,999.82