Finding the Fourth Proportional to 199,099.72, 275,026.38 and 159,094.12

Step by Step Solution

1. Step 1: Write the proportion equation
   199,099.72 : 275,026.38 = 159,094.12 : x
2. Step 2: Convert to fraction form
   199,099.72/275,026.38 = 159,094.12/x
3. Step 3: Cross multiply
   199,099.72x = 275,026.38 × 159,094.12
4. Step 4: Simplify right side
   199,099.72x = 43,755,079,902.89
5. Step 5: Solve for x
   x = 43,755,079,902.89/199,099.72
6. Step 6: Final answer
   x = 219,764.65