Finding the Fourth Proportional to 42,049.36, 58,028.76 and 23,186.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,049.36 : 58,028.76 = 23,186.50 : x
2. Step 2: Convert to fraction form
   42,049.36/58,028.76 = 23,186.50/x
3. Step 3: Cross multiply
   42,049.36x = 58,028.76 × 23,186.50
4. Step 4: Simplify right side
   42,049.36x = 1,345,483,843.74
5. Step 5: Solve for x
   x = 1,345,483,843.74/42,049.36
6. Step 6: Final answer
   x = 31,997.72