Finding the Fourth Proportional to 42,240, 58,238.16 and 27,105.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,240 : 58,238.16 = 27,105.96 : x
2. Step 2: Convert to fraction form
   42,240/58,238.16 = 27,105.96/x
3. Step 3: Cross multiply
   42,240x = 58,238.16 × 27,105.96
4. Step 4: Simplify right side
   42,240x = 1,578,601,235.43
5. Step 5: Solve for x
   x = 1,578,601,235.43/42,240
6. Step 6: Final answer
   x = 37,372.19