Finding the Fourth Proportional to 304,139.96, 456,180.62 and 93,721.40

Step by Step Solution

1. Step 1: Write the proportion equation
   304,139.96 : 456,180.62 = 93,721.40 : x
2. Step 2: Convert to fraction form
   304,139.96/456,180.62 = 93,721.40/x
3. Step 3: Cross multiply
   304,139.96x = 456,180.62 × 93,721.40
4. Step 4: Simplify right side
   304,139.96x = 42,753,886,359.27
5. Step 5: Solve for x
   x = 42,753,886,359.27/304,139.96
6. Step 6: Final answer
   x = 140,573.06