Finding the Fourth Proportional to 142,483.05, 213,767.37 and 42,646.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,483.05 : 213,767.37 = 42,646.50 : x
2. Step 2: Convert to fraction form
   142,483.05/213,767.37 = 42,646.50/x
3. Step 3: Cross multiply
   142,483.05x = 213,767.37 × 42,646.50
4. Step 4: Simplify right side
   142,483.05x = 9,116,430,144.71
5. Step 5: Solve for x
   x = 9,116,430,144.71/142,483.05
6. Step 6: Final answer
   x = 63,982.56