Finding the Fourth Proportional to 320,427.50, 480,877.76 and 151,948.37

Step by Step Solution

1. Step 1: Write the proportion equation
   320,427.50 : 480,877.76 = 151,948.37 : x
2. Step 2: Convert to fraction form
   320,427.50/480,877.76 = 151,948.37/x
3. Step 3: Cross multiply
   320,427.50x = 480,877.76 × 151,948.37
4. Step 4: Simplify right side
   320,427.50x = 73,068,593,383.32
5. Step 5: Solve for x
   x = 73,068,593,383.32/320,427.50
6. Step 6: Final answer
   x = 228,034.72