Finding the Fourth Proportional to 202,918.72, 304,429.98 and 118,749.76

Step by Step Solution

1. Step 1: Write the proportion equation
   202,918.72 : 304,429.98 = 118,749.76 : x
2. Step 2: Convert to fraction form
   202,918.72/304,429.98 = 118,749.76/x
3. Step 3: Cross multiply
   202,918.72x = 304,429.98 × 118,749.76
4. Step 4: Simplify right side
   202,918.72x = 36,150,987,061.80
5. Step 5: Solve for x
   x = 36,150,987,061.80/202,918.72
6. Step 6: Final answer
   x = 178,155.01