Finding the Fourth Proportional to 145,061.38, 217,442.37 and 60,870.43

Step by Step Solution

1. Step 1: Write the proportion equation
   145,061.38 : 217,442.37 = 60,870.43 : x
2. Step 2: Convert to fraction form
   145,061.38/217,442.37 = 60,870.43/x
3. Step 3: Cross multiply
   145,061.38x = 217,442.37 × 60,870.43
4. Step 4: Simplify right side
   145,061.38x = 13,235,810,562.12
5. Step 5: Solve for x
   x = 13,235,810,562.12/145,061.38
6. Step 6: Final answer
   x = 91,242.83