Finding the Fourth Proportional to 42,028.71, 57,999.33 and 23,165.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,028.71 : 57,999.33 = 23,165.84 : x
2. Step 2: Convert to fraction form
   42,028.71/57,999.33 = 23,165.84/x
3. Step 3: Cross multiply
   42,028.71x = 57,999.33 × 23,165.84
4. Step 4: Simplify right side
   42,028.71x = 1,343,602,908.89
5. Step 5: Solve for x
   x = 1,343,602,908.89/42,028.71
6. Step 6: Final answer
   x = 31,968.69