Finding the Fourth Proportional to 40,106.53, 55,348.31 and 23,109.45

Step by Step Solution

1. Step 1: Write the proportion equation
   40,106.53 : 55,348.31 = 23,109.45 : x
2. Step 2: Convert to fraction form
   40,106.53/55,348.31 = 23,109.45/x
3. Step 3: Cross multiply
   40,106.53x = 55,348.31 × 23,109.45
4. Step 4: Simplify right side
   40,106.53x = 1,279,069,002.53
5. Step 5: Solve for x
   x = 1,279,069,002.53/40,106.53
6. Step 6: Final answer
   x = 31,891.79