Finding the Fourth Proportional to 151,276, 227,017.68 and 52,780

Step by Step Solution

1. Step 1: Write the proportion equation
   151,276 : 227,017.68 = 52,780 : x
2. Step 2: Convert to fraction form
   151,276/227,017.68 = 52,780/x
3. Step 3: Cross multiply
   151,276x = 227,017.68 × 52,780
4. Step 4: Simplify right side
   151,276x = 11,981,993,150.40
5. Step 5: Solve for x
   x = 11,981,993,150.40/151,276
6. Step 6: Final answer
   x = 79,206.17