Finding the Fourth Proportional to 42,156.38, 58,150.35 and 27,811.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,156.38 : 58,150.35 = 27,811.10 : x
2. Step 2: Convert to fraction form
   42,156.38/58,150.35 = 27,811.10/x
3. Step 3: Cross multiply
   42,156.38x = 58,150.35 × 27,811.10
4. Step 4: Simplify right side
   42,156.38x = 1,617,224,908.13
5. Step 5: Solve for x
   x = 1,617,224,908.13/42,156.38
6. Step 6: Final answer
   x = 38,362.52