Finding the Fourth Proportional to 303,990.88, 456,035.32 and 93,628.72

Step by Step Solution

1. Step 1: Write the proportion equation
   303,990.88 : 456,035.32 = 93,628.72 : x
2. Step 2: Convert to fraction form
   303,990.88/456,035.32 = 93,628.72/x
3. Step 3: Cross multiply
   303,990.88x = 456,035.32 × 93,628.72
4. Step 4: Simplify right side
   303,990.88x = 42,698,003,286.39
5. Step 5: Solve for x
   x = 42,698,003,286.39/303,990.88
6. Step 6: Final answer
   x = 140,458.17