Finding the Fourth Proportional to 142,374.38, 213,597.27 and 42,534.18

Step by Step Solution

1. Step 1: Write the proportion equation
   142,374.38 : 213,597.27 = 42,534.18 : x
2. Step 2: Convert to fraction form
   142,374.38/213,597.27 = 42,534.18/x
3. Step 3: Cross multiply
   142,374.38x = 213,597.27 × 42,534.18
4. Step 4: Simplify right side
   142,374.38x = 9,085,184,729.69
5. Step 5: Solve for x
   x = 9,085,184,729.69/142,374.38
6. Step 6: Final answer
   x = 63,811.94