Finding the Fourth Proportional to 320,550.72, 481,062.32 and 152,071.56

Step by Step Solution

1. Step 1: Write the proportion equation
   320,550.72 : 481,062.32 = 152,071.56 : x
2. Step 2: Convert to fraction form
   320,550.72/481,062.32 = 152,071.56/x
3. Step 3: Cross multiply
   320,550.72x = 481,062.32 × 152,071.56
4. Step 4: Simplify right side
   320,550.72x = 73,155,897,459.62
5. Step 5: Solve for x
   x = 73,155,897,459.62/320,550.72
6. Step 6: Final answer
   x = 228,219.41