Finding the Fourth Proportional to 142,412.06, 213,660.91 and 42,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,412.06 : 213,660.91 = 42,575.50 : x
2. Step 2: Convert to fraction form
   142,412.06/213,660.91 = 42,575.50/x
3. Step 3: Cross multiply
   142,412.06x = 213,660.91 × 42,575.50
4. Step 4: Simplify right side
   142,412.06x = 9,096,720,073.71
5. Step 5: Solve for x
   x = 9,096,720,073.71/142,412.06
6. Step 6: Final answer
   x = 63,876.05