Finding the Fourth Proportional to 142,413.06, 213,662.41 and 42,576.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,413.06 : 213,662.41 = 42,576.50 : x
2. Step 2: Convert to fraction form
   142,413.06/213,662.41 = 42,576.50/x
3. Step 3: Cross multiply
   142,413.06x = 213,662.41 × 42,576.50
4. Step 4: Simplify right side
   142,413.06x = 9,096,997,599.37
5. Step 5: Solve for x
   x = 9,096,997,599.37/142,413.06
6. Step 6: Final answer
   x = 63,877.55