Finding the Fourth Proportional to 42,779.84, 59,035.20 and 23,918.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,779.84 : 59,035.20 = 23,918.72 : x
2. Step 2: Convert to fraction form
   42,779.84/59,035.20 = 23,918.72/x
3. Step 3: Cross multiply
   42,779.84x = 59,035.20 × 23,918.72
4. Step 4: Simplify right side
   42,779.84x = 1,412,046,418.94
5. Step 5: Solve for x
   x = 1,412,046,418.94/42,779.84
6. Step 6: Final answer
   x = 33,007.29