Finding the Fourth Proportional to 42,780.42, 59,040.09 and 23,916.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42,780.42 : 59,040.09 = 23,916.33 : x
2. Step 2: Convert to fraction form
   42,780.42/59,040.09 = 23,916.33/x
3. Step 3: Cross multiply
   42,780.42x = 59,040.09 × 23,916.33
4. Step 4: Simplify right side
   42,780.42x = 1,412,022,275.67
5. Step 5: Solve for x
   x = 1,412,022,275.67/42,780.42
6. Step 6: Final answer
   x = 33,006.27