Finding the Fourth Proportional to 142,261.56, 213,403.28 and 42,413.94

Step by Step Solution

1. Step 1: Write the proportion equation
   142,261.56 : 213,403.28 = 42,413.94 : x
2. Step 2: Convert to fraction form
   142,261.56/213,403.28 = 42,413.94/x
3. Step 3: Cross multiply
   142,261.56x = 213,403.28 × 42,413.94
4. Step 4: Simplify right side
   142,261.56x = 9,051,273,701.65
5. Step 5: Solve for x
   x = 9,051,273,701.65/142,261.56
6. Step 6: Final answer
   x = 63,624.17