Finding the Fourth Proportional to 145,066.37, 217,442.61 and 60,872.27

Step by Step Solution

1. Step 1: Write the proportion equation
   145,066.37 : 217,442.61 = 60,872.27 : x
2. Step 2: Convert to fraction form
   145,066.37/217,442.61 = 60,872.27/x
3. Step 3: Cross multiply
   145,066.37x = 217,442.61 × 60,872.27
4. Step 4: Simplify right side
   145,066.37x = 13,236,224,178.21
5. Step 5: Solve for x
   x = 13,236,224,178.21/145,066.37
6. Step 6: Final answer
   x = 91,242.54