Finding the Fourth Proportional to 320,493.05, 480,599.32 and 152,061.42

Step by Step Solution

1. Step 1: Write the proportion equation
   320,493.05 : 480,599.32 = 152,061.42 : x
2. Step 2: Convert to fraction form
   320,493.05/480,599.32 = 152,061.42/x
3. Step 3: Cross multiply
   320,493.05x = 480,599.32 × 152,061.42
4. Step 4: Simplify right side
   320,493.05x = 73,080,615,050.23
5. Step 5: Solve for x
   x = 73,080,615,050.23/320,493.05
6. Step 6: Final answer
   x = 228,025.58