Finding the Fourth Proportional to 55,109.91, 76,049.52 and 31,236.08

Step by Step Solution

1. Step 1: Write the proportion equation
   55,109.91 : 76,049.52 = 31,236.08 : x
2. Step 2: Convert to fraction form
   55,109.91/76,049.52 = 31,236.08/x
3. Step 3: Cross multiply
   55,109.91x = 76,049.52 × 31,236.08
4. Step 4: Simplify right side
   55,109.91x = 2,375,488,510.43
5. Step 5: Solve for x
   x = 2,375,488,510.43/55,109.91
6. Step 6: Final answer
   x = 43,104.56