Finding the Fourth Proportional to 142,623, 213,933.96 and 58,422.24

Step by Step Solution

1. Step 1: Write the proportion equation
   142,623 : 213,933.96 = 58,422.24 : x
2. Step 2: Convert to fraction form
   142,623/213,933.96 = 58,422.24/x
3. Step 3: Cross multiply
   142,623x = 213,933.96 × 58,422.24
4. Step 4: Simplify right side
   142,623x = 12,498,501,155.27
5. Step 5: Solve for x
   x = 12,498,501,155.27/142,623
6. Step 6: Final answer
   x = 87,633.14