Finding the Fourth Proportional to 42,003.99, 57,965.50 and 23,141.11

Step by Step Solution

1. Step 1: Write the proportion equation
   42,003.99 : 57,965.50 = 23,141.11 : x
2. Step 2: Convert to fraction form
   42,003.99/57,965.50 = 23,141.11/x
3. Step 3: Cross multiply
   42,003.99x = 57,965.50 × 23,141.11
4. Step 4: Simplify right side
   42,003.99x = 1,341,386,011.71
5. Step 5: Solve for x
   x = 1,341,386,011.71/42,003.99
6. Step 6: Final answer
   x = 31,934.73