Finding the Fourth Proportional to 142,544.06, 213,755.84 and 42,718.46

Step by Step Solution

1. Step 1: Write the proportion equation
   142,544.06 : 213,755.84 = 42,718.46 : x
2. Step 2: Convert to fraction form
   142,544.06/213,755.84 = 42,718.46/x
3. Step 3: Cross multiply
   142,544.06x = 213,755.84 × 42,718.46
4. Step 4: Simplify right side
   142,544.06x = 9,131,319,018.43
5. Step 5: Solve for x
   x = 9,131,319,018.43/142,544.06
6. Step 6: Final answer
   x = 64,059.63