Finding the Fourth Proportional to 31,049.58, 42,886.89 and 22,538.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,049.58 : 42,886.89 = 22,538.10 : x
2. Step 2: Convert to fraction form
   31,049.58/42,886.89 = 22,538.10/x
3. Step 3: Cross multiply
   31,049.58x = 42,886.89 × 22,538.10
4. Step 4: Simplify right side
   31,049.58x = 966,589,015.51
5. Step 5: Solve for x
   x = 966,589,015.51/31,049.58
6. Step 6: Final answer
   x = 31,130.50