Finding the Fourth Proportional to 253,139.87, 379,849.89 and 151,688.69

Step by Step Solution

1. Step 1: Write the proportion equation
   253,139.87 : 379,849.89 = 151,688.69 : x
2. Step 2: Convert to fraction form
   253,139.87/379,849.89 = 151,688.69/x
3. Step 3: Cross multiply
   253,139.87x = 379,849.89 × 151,688.69
4. Step 4: Simplify right side
   253,139.87x = 57,618,932,210.74
5. Step 5: Solve for x
   x = 57,618,932,210.74/253,139.87
6. Step 6: Final answer
   x = 227,616.98