Finding the Fourth Proportional to 280,096.37, 386,538.24 and 152,776.52

Step by Step Solution

1. Step 1: Write the proportion equation
   280,096.37 : 386,538.24 = 152,776.52 : x
2. Step 2: Convert to fraction form
   280,096.37/386,538.24 = 152,776.52/x
3. Step 3: Cross multiply
   280,096.37x = 386,538.24 × 152,776.52
4. Step 4: Simplify right side
   280,096.37x = 59,053,965,221.43
5. Step 5: Solve for x
   x = 59,053,965,221.43/280,096.37
6. Step 6: Final answer
   x = 210,834.46