Finding the Fourth Proportional to 199,068.50, 274,714.53 and 109,644.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,068.50 : 274,714.53 = 109,644.50 : x
2. Step 2: Convert to fraction form
   199,068.50/274,714.53 = 109,644.50/x
3. Step 3: Cross multiply
   199,068.50x = 274,714.53 × 109,644.50
4. Step 4: Simplify right side
   199,068.50x = 30,120,937,284.59
5. Step 5: Solve for x
   x = 30,120,937,284.59/199,068.50
6. Step 6: Final answer
   x = 151,309.41