Finding the Fourth Proportional to 142,521.14, 213,721.56 and 42,695.52

Step by Step Solution

1. Step 1: Write the proportion equation
   142,521.14 : 213,721.56 = 42,695.52 : x
2. Step 2: Convert to fraction form
   142,521.14/213,721.56 = 42,695.52/x
3. Step 3: Cross multiply
   142,521.14x = 213,721.56 × 42,695.52
4. Step 4: Simplify right side
   142,521.14x = 9,124,953,139.41
5. Step 5: Solve for x
   x = 9,124,953,139.41/142,521.14
6. Step 6: Final answer
   x = 64,025.26