Finding the Fourth Proportional to 280,066.24, 386,487.24 and 152,741.56

Step by Step Solution

1. Step 1: Write the proportion equation
   280,066.24 : 386,487.24 = 152,741.56 : x
2. Step 2: Convert to fraction form
   280,066.24/386,487.24 = 152,741.56/x
3. Step 3: Cross multiply
   280,066.24x = 386,487.24 × 152,741.56
4. Step 4: Simplify right side
   280,066.24x = 59,032,663,957.69
5. Step 5: Solve for x
   x = 59,032,663,957.69/280,066.24
6. Step 6: Final answer
   x = 210,781.08