Finding the Fourth Proportional to 143,405.33, 215,054.53 and 42,176.27

Step by Step Solution

1. Step 1: Write the proportion equation
   143,405.33 : 215,054.53 = 42,176.27 : x
2. Step 2: Convert to fraction form
   143,405.33/215,054.53 = 42,176.27/x
3. Step 3: Cross multiply
   143,405.33x = 215,054.53 × 42,176.27
4. Step 4: Simplify right side
   143,405.33x = 9,070,198,354.20
5. Step 5: Solve for x
   x = 9,070,198,354.20/143,405.33
6. Step 6: Final answer
   x = 63,248.69