Finding the Fourth Proportional to 42,003.84, 57,964.56 and 23,140.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,003.84 : 57,964.56 = 23,140.80 : x
2. Step 2: Convert to fraction form
   42,003.84/57,964.56 = 23,140.80/x
3. Step 3: Cross multiply
   42,003.84x = 57,964.56 × 23,140.80
4. Step 4: Simplify right side
   42,003.84x = 1,341,346,290.05
5. Step 5: Solve for x
   x = 1,341,346,290.05/42,003.84
6. Step 6: Final answer
   x = 31,933.90