Finding the Fourth Proportional to 140,716.69, 211,152.96 and 52,028.38

Step by Step Solution

1. Step 1: Write the proportion equation
   140,716.69 : 211,152.96 = 52,028.38 : x
2. Step 2: Convert to fraction form
   140,716.69/211,152.96 = 52,028.38/x
3. Step 3: Cross multiply
   140,716.69x = 211,152.96 × 52,028.38
4. Step 4: Simplify right side
   140,716.69x = 10,985,946,441.00
5. Step 5: Solve for x
   x = 10,985,946,441.00/140,716.69
6. Step 6: Final answer
   x = 78,071.38