Finding the Fourth Proportional to 142,652.31, 214,014 and 42,814.35

Step by Step Solution

1. Step 1: Write the proportion equation
   142,652.31 : 214,014 = 42,814.35 : x
2. Step 2: Convert to fraction form
   142,652.31/214,014 = 42,814.35/x
3. Step 3: Cross multiply
   142,652.31x = 214,014 × 42,814.35
4. Step 4: Simplify right side
   142,652.31x = 9,162,870,300.90
5. Step 5: Solve for x
   x = 9,162,870,300.90/142,652.31
6. Step 6: Final answer
   x = 64,232.19