Finding the Fourth Proportional to 228,900.72, 315,851.04 and 133,333.68

Step by Step Solution

1. Step 1: Write the proportion equation
   228,900.72 : 315,851.04 = 133,333.68 : x
2. Step 2: Convert to fraction form
   228,900.72/315,851.04 = 133,333.68/x
3. Step 3: Cross multiply
   228,900.72x = 315,851.04 × 133,333.68
4. Step 4: Simplify right side
   228,900.72x = 42,113,581,495.03
5. Step 5: Solve for x
   x = 42,113,581,495.03/228,900.72
6. Step 6: Final answer
   x = 183,981.87