Finding the Fourth Proportional to 168,116.72, 252,173.96 and 49,788.72

Step by Step Solution

1. Step 1: Write the proportion equation
   168,116.72 : 252,173.96 = 49,788.72 : x
2. Step 2: Convert to fraction form
   168,116.72/252,173.96 = 49,788.72/x
3. Step 3: Cross multiply
   168,116.72x = 252,173.96 × 49,788.72
4. Step 4: Simplify right side
   168,116.72x = 12,555,418,685.73
5. Step 5: Solve for x
   x = 12,555,418,685.73/168,116.72
6. Step 6: Final answer
   x = 74,682.75