Finding the Fourth Proportional to 42,157.38, 58,151.73 and 27,812.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,157.38 : 58,151.73 = 27,812.10 : x
2. Step 2: Convert to fraction form
   42,157.38/58,151.73 = 27,812.10/x
3. Step 3: Cross multiply
   42,157.38x = 58,151.73 × 27,812.10
4. Step 4: Simplify right side
   42,157.38x = 1,617,321,729.93
5. Step 5: Solve for x
   x = 1,617,321,729.93/42,157.38
6. Step 6: Final answer
   x = 38,363.91