Finding the Fourth Proportional to 304,061.31, 419,601.87 and 168,098.72

Step by Step Solution

1. Step 1: Write the proportion equation
   304,061.31 : 419,601.87 = 168,098.72 : x
2. Step 2: Convert to fraction form
   304,061.31/419,601.87 = 168,098.72/x
3. Step 3: Cross multiply
   304,061.31x = 419,601.87 × 168,098.72
4. Step 4: Simplify right side
   304,061.31x = 70,534,535,158.60
5. Step 5: Solve for x
   x = 70,534,535,158.60/304,061.31
6. Step 6: Final answer
   x = 231,974.71