Finding the Fourth Proportional to 42,855.30, 59,140.28 and 23,992.43

Step by Step Solution

1. Step 1: Write the proportion equation
   42,855.30 : 59,140.28 = 23,992.43 : x
2. Step 2: Convert to fraction form
   42,855.30/59,140.28 = 23,992.43/x
3. Step 3: Cross multiply
   42,855.30x = 59,140.28 × 23,992.43
4. Step 4: Simplify right side
   42,855.30x = 1,418,918,612.42
5. Step 5: Solve for x
   x = 1,418,918,612.42/42,855.30
6. Step 6: Final answer
   x = 33,109.52