Finding the Fourth Proportional to 280,118.52, 386,563.86 and 152,796.24

Step by Step Solution

1. Step 1: Write the proportion equation
   280,118.52 : 386,563.86 = 152,796.24 : x
2. Step 2: Convert to fraction form
   280,118.52/386,563.86 = 152,796.24/x
3. Step 3: Cross multiply
   280,118.52x = 386,563.86 × 152,796.24
4. Step 4: Simplify right side
   280,118.52x = 59,065,504,327.89
5. Step 5: Solve for x
   x = 59,065,504,327.89/280,118.52
6. Step 6: Final answer
   x = 210,858.98