Finding the Fourth Proportional to 42,288.89, 58,356.43 and 23,165.11

Step by Step Solution

1. Step 1: Write the proportion equation
   42,288.89 : 58,356.43 = 23,165.11 : x
2. Step 2: Convert to fraction form
   42,288.89/58,356.43 = 23,165.11/x
3. Step 3: Cross multiply
   42,288.89x = 58,356.43 × 23,165.11
4. Step 4: Simplify right side
   42,288.89x = 1,351,832,806.94
5. Step 5: Solve for x
   x = 1,351,832,806.94/42,288.89
6. Step 6: Final answer
   x = 31,966.62