Finding the Fourth Proportional to 42,780.81, 59,039.46 and 23,917.95

Step by Step Solution

1. Step 1: Write the proportion equation
   42,780.81 : 59,039.46 = 23,917.95 : x
2. Step 2: Convert to fraction form
   42,780.81/59,039.46 = 23,917.95/x
3. Step 3: Cross multiply
   42,780.81x = 59,039.46 × 23,917.95
4. Step 4: Simplify right side
   42,780.81x = 1,412,102,852.31
5. Step 5: Solve for x
   x = 1,412,102,852.31/42,780.81
6. Step 6: Final answer
   x = 33,007.86