Finding the Fourth Proportional to 31,116.41, 42,976.50 and 22,656.36

Step by Step Solution

1. Step 1: Write the proportion equation
   31,116.41 : 42,976.50 = 22,656.36 : x
2. Step 2: Convert to fraction form
   31,116.41/42,976.50 = 22,656.36/x
3. Step 3: Cross multiply
   31,116.41x = 42,976.50 × 22,656.36
4. Step 4: Simplify right side
   31,116.41x = 973,691,055.54
5. Step 5: Solve for x
   x = 973,691,055.54/31,116.41
6. Step 6: Final answer
   x = 31,291.89