Finding the Fourth Proportional to 31,074.32, 42,849.48 and 23,103.44

Step by Step Solution

1. Step 1: Write the proportion equation
   31,074.32 : 42,849.48 = 23,103.44 : x
2. Step 2: Convert to fraction form
   31,074.32/42,849.48 = 23,103.44/x
3. Step 3: Cross multiply
   31,074.32x = 42,849.48 × 23,103.44
4. Step 4: Simplify right side
   31,074.32x = 989,970,390.21
5. Step 5: Solve for x
   x = 989,970,390.21/31,074.32
6. Step 6: Final answer
   x = 31,858.15