Finding the Fourth Proportional to 142,356.06, 213,531.39 and 42,516.54

Step by Step Solution

1. Step 1: Write the proportion equation
   142,356.06 : 213,531.39 = 42,516.54 : x
2. Step 2: Convert to fraction form
   142,356.06/213,531.39 = 42,516.54/x
3. Step 3: Cross multiply
   142,356.06x = 213,531.39 × 42,516.54
4. Step 4: Simplify right side
   142,356.06x = 9,078,615,884.19
5. Step 5: Solve for x
   x = 9,078,615,884.19/142,356.06
6. Step 6: Final answer
   x = 63,774.00