Finding the Fourth Proportional to 142,414.24, 213,570.30 and 42,555.84

Step by Step Solution

1. Step 1: Write the proportion equation
   142,414.24 : 213,570.30 = 42,555.84 : x
2. Step 2: Convert to fraction form
   142,414.24/213,570.30 = 42,555.84/x
3. Step 3: Cross multiply
   142,414.24x = 213,570.30 × 42,555.84
4. Step 4: Simplify right side
   142,414.24x = 9,088,663,515.55
5. Step 5: Solve for x
   x = 9,088,663,515.55/142,414.24
6. Step 6: Final answer
   x = 63,818.50