Finding the Fourth Proportional to 42,781.50, 59,039.76 and 23,918.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,781.50 : 59,039.76 = 23,918.70 : x
2. Step 2: Convert to fraction form
   42,781.50/59,039.76 = 23,918.70/x
3. Step 3: Cross multiply
   42,781.50x = 59,039.76 × 23,918.70
4. Step 4: Simplify right side
   42,781.50x = 1,412,154,307.51
5. Step 5: Solve for x
   x = 1,412,154,307.51/42,781.50
6. Step 6: Final answer
   x = 33,008.53