Finding the Fourth Proportional to 145,870.27, 218,805.33 and 46,040.47

Step by Step Solution

1. Step 1: Write the proportion equation
   145,870.27 : 218,805.33 = 46,040.47 : x
2. Step 2: Convert to fraction form
   145,870.27/218,805.33 = 46,040.47/x
3. Step 3: Cross multiply
   145,870.27x = 218,805.33 × 46,040.47
4. Step 4: Simplify right side
   145,870.27x = 10,073,900,231.71
5. Step 5: Solve for x
   x = 10,073,900,231.71/145,870.27
6. Step 6: Final answer
   x = 69,060.68