Finding the Fourth Proportional to 553,716, 830,712.72 and 159,732

Step by Step Solution

1. Step 1: Write the proportion equation
   553,716 : 830,712.72 = 159,732 : x
2. Step 2: Convert to fraction form
   553,716/830,712.72 = 159,732/x
3. Step 3: Cross multiply
   553,716x = 830,712.72 × 159,732
4. Step 4: Simplify right side
   553,716x = 132,691,404,191.04
5. Step 5: Solve for x
   x = 132,691,404,191.04/553,716
6. Step 6: Final answer
   x = 239,638.02