Finding the Fourth Proportional to 42,128.68, 58,119.53 and 24,219.89

Step by Step Solution

1. Step 1: Write the proportion equation
   42,128.68 : 58,119.53 = 24,219.89 : x
2. Step 2: Convert to fraction form
   42,128.68/58,119.53 = 24,219.89/x
3. Step 3: Cross multiply
   42,128.68x = 58,119.53 × 24,219.89
4. Step 4: Simplify right side
   42,128.68x = 1,407,648,266.24
5. Step 5: Solve for x
   x = 1,407,648,266.24/42,128.68
6. Step 6: Final answer
   x = 33,413.06