Finding the Fourth Proportional to 199,845.72, 275,787.12 and 110,421.72

Step by Step Solution

1. Step 1: Write the proportion equation
   199,845.72 : 275,787.12 = 110,421.72 : x
2. Step 2: Convert to fraction form
   199,845.72/275,787.12 = 110,421.72/x
3. Step 3: Cross multiply
   199,845.72x = 275,787.12 × 110,421.72
4. Step 4: Simplify right side
   199,845.72x = 30,452,888,144.25
5. Step 5: Solve for x
   x = 30,452,888,144.25/199,845.72
6. Step 6: Final answer
   x = 152,381.99