Finding the Fourth Proportional to 55,111.84, 76,049.22 and 31,240.60

Step by Step Solution

1. Step 1: Write the proportion equation
   55,111.84 : 76,049.22 = 31,240.60 : x
2. Step 2: Convert to fraction form
   55,111.84/76,049.22 = 31,240.60/x
3. Step 3: Cross multiply
   55,111.84x = 76,049.22 × 31,240.60
4. Step 4: Simplify right side
   55,111.84x = 2,375,823,262.33
5. Step 5: Solve for x
   x = 2,375,823,262.33/55,111.84
6. Step 6: Final answer
   x = 43,109.13