Finding the Fourth Proportional to 142,404.32, 213,526.53 and 47,584.54

Step by Step Solution

1. Step 1: Write the proportion equation
   142,404.32 : 213,526.53 = 47,584.54 : x
2. Step 2: Convert to fraction form
   142,404.32/213,526.53 = 47,584.54/x
3. Step 3: Cross multiply
   142,404.32x = 213,526.53 × 47,584.54
4. Step 4: Simplify right side
   142,404.32x = 10,160,561,707.85
5. Step 5: Solve for x
   x = 10,160,561,707.85/142,404.32
6. Step 6: Final answer
   x = 71,350.09