Finding the Fourth Proportional to 304,290.30, 456,478.65 and 93,906.30

Step by Step Solution

1. Step 1: Write the proportion equation
   304,290.30 : 456,478.65 = 93,906.30 : x
2. Step 2: Convert to fraction form
   304,290.30/456,478.65 = 93,906.30/x
3. Step 3: Cross multiply
   304,290.30x = 456,478.65 × 93,906.30
4. Step 4: Simplify right side
   304,290.30x = 42,866,221,050.50
5. Step 5: Solve for x
   x = 42,866,221,050.50/304,290.30
6. Step 6: Final answer
   x = 140,872.78