Finding the Fourth Proportional to 303,667.20, 455,511.60 and 93,304.80

Step by Step Solution

1. Step 1: Write the proportion equation
   303,667.20 : 455,511.60 = 93,304.80 : x
2. Step 2: Convert to fraction form
   303,667.20/455,511.60 = 93,304.80/x
3. Step 3: Cross multiply
   303,667.20x = 455,511.60 × 93,304.80
4. Step 4: Simplify right side
   303,667.20x = 42,501,418,735.68
5. Step 5: Solve for x
   x = 42,501,418,735.68/303,667.20
6. Step 6: Final answer
   x = 139,960.52