Finding the Fourth Proportional to 142,411.81, 213,660.54 and 42,575.25

Step by Step Solution

1. Step 1: Write the proportion equation
   142,411.81 : 213,660.54 = 42,575.25 : x
2. Step 2: Convert to fraction form
   142,411.81/213,660.54 = 42,575.25/x
3. Step 3: Cross multiply
   142,411.81x = 213,660.54 × 42,575.25
4. Step 4: Simplify right side
   142,411.81x = 9,096,650,692.76
5. Step 5: Solve for x
   x = 9,096,650,692.76/142,411.81
6. Step 6: Final answer
   x = 63,875.68