Finding the Fourth Proportional to 142,527.89, 213,731.69 and 42,702.27

Step by Step Solution

1. Step 1: Write the proportion equation
   142,527.89 : 213,731.69 = 42,702.27 : x
2. Step 2: Convert to fraction form
   142,527.89/213,731.69 = 42,702.27/x
3. Step 3: Cross multiply
   142,527.89x = 213,731.69 × 42,702.27
4. Step 4: Simplify right side
   142,527.89x = 9,126,828,120.42
5. Step 5: Solve for x
   x = 9,126,828,120.42/142,527.89
6. Step 6: Final answer
   x = 64,035.39