Finding the Fourth Proportional to 109,936.72, 151,716.06 and 62,189.20

Step by Step Solution

1. Step 1: Write the proportion equation
   109,936.72 : 151,716.06 = 62,189.20 : x
2. Step 2: Convert to fraction form
   109,936.72/151,716.06 = 62,189.20/x
3. Step 3: Cross multiply
   109,936.72x = 151,716.06 × 62,189.20
4. Step 4: Simplify right side
   109,936.72x = 9,435,100,398.55
5. Step 5: Solve for x
   x = 9,435,100,398.55/109,936.72
6. Step 6: Final answer
   x = 85,823.01