Finding the Fourth Proportional to 165,086.52, 247,643.58 and 52,782.72

Step by Step Solution

1. Step 1: Write the proportion equation
   165,086.52 : 247,643.58 = 52,782.72 : x
2. Step 2: Convert to fraction form
   165,086.52/247,643.58 = 52,782.72/x
3. Step 3: Cross multiply
   165,086.52x = 247,643.58 × 52,782.72
4. Step 4: Simplify right side
   165,086.52x = 13,071,301,742.94
5. Step 5: Solve for x
   x = 13,071,301,742.94/165,086.52
6. Step 6: Final answer
   x = 79,178.49