Finding the Fourth Proportional to 31,106.70, 42,948.36 and 23,923.89

Step by Step Solution

1. Step 1: Write the proportion equation
   31,106.70 : 42,948.36 = 23,923.89 : x
2. Step 2: Convert to fraction form
   31,106.70/42,948.36 = 23,923.89/x
3. Step 3: Cross multiply
   31,106.70x = 42,948.36 × 23,923.89
4. Step 4: Simplify right side
   31,106.70x = 1,027,491,840.32
5. Step 5: Solve for x
   x = 1,027,491,840.32/31,106.70
6. Step 6: Final answer
   x = 33,031.21