Finding the Fourth Proportional to 42,405.38, 58,521.05 and 23,286.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,405.38 : 58,521.05 = 23,286.75 : x
2. Step 2: Convert to fraction form
   42,405.38/58,521.05 = 23,286.75/x
3. Step 3: Cross multiply
   42,405.38x = 58,521.05 × 23,286.75
4. Step 4: Simplify right side
   42,405.38x = 1,362,765,061.09
5. Step 5: Solve for x
   x = 1,362,765,061.09/42,405.38
6. Step 6: Final answer
   x = 32,136.61