Finding the Fourth Proportional to 186,227.05, 257,021.00 and 109,721.69

Step by Step Solution

1. Step 1: Write the proportion equation
   186,227.05 : 257,021.00 = 109,721.69 : x
2. Step 2: Convert to fraction form
   186,227.05/257,021.00 = 109,721.69/x
3. Step 3: Cross multiply
   186,227.05x = 257,021.00 × 109,721.69
4. Step 4: Simplify right side
   186,227.05x = 28,200,776,651.78
5. Step 5: Solve for x
   x = 28,200,776,651.78/186,227.05
6. Step 6: Final answer
   x = 151,432.23