Finding the Fourth Proportional to 303,818.58, 455,777.28 and 93,456.72

Step by Step Solution

1. Step 1: Write the proportion equation
   303,818.58 : 455,777.28 = 93,456.72 : x
2. Step 2: Convert to fraction form
   303,818.58/455,777.28 = 93,456.72/x
3. Step 3: Cross multiply
   303,818.58x = 455,777.28 × 93,456.72
4. Step 4: Simplify right side
   303,818.58x = 42,595,449,639.32
5. Step 5: Solve for x
   x = 42,595,449,639.32/303,818.58
6. Step 6: Final answer
   x = 140,200.28