Finding the Fourth Proportional to 285,783.04, 394,374.72 and 158,457.52

Step by Step Solution

1. Step 1: Write the proportion equation
   285,783.04 : 394,374.72 = 158,457.52 : x
2. Step 2: Convert to fraction form
   285,783.04/394,374.72 = 158,457.52/x
3. Step 3: Cross multiply
   285,783.04x = 394,374.72 × 158,457.52
4. Step 4: Simplify right side
   285,783.04x = 62,491,640,081.89
5. Step 5: Solve for x
   x = 62,491,640,081.89/285,783.04
6. Step 6: Final answer
   x = 218,668.12