Finding the Fourth Proportional to 199,111.08, 274,773.16 and 109,687.08

Step by Step Solution

1. Step 1: Write the proportion equation
   199,111.08 : 274,773.16 = 109,687.08 : x
2. Step 2: Convert to fraction form
   199,111.08/274,773.16 = 109,687.08/x
3. Step 3: Cross multiply
   199,111.08x = 274,773.16 × 109,687.08
4. Step 4: Simplify right side
   199,111.08x = 30,139,064,208.91
5. Step 5: Solve for x
   x = 30,139,064,208.91/199,111.08
6. Step 6: Final answer
   x = 151,368.10