Finding the Fourth Proportional to 199,385.98, 275,151.27 and 109,961.98

Step by Step Solution

1. Step 1: Write the proportion equation
   199,385.98 : 275,151.27 = 109,961.98 : x
2. Step 2: Convert to fraction form
   199,385.98/275,151.27 = 109,961.98/x
3. Step 3: Cross multiply
   199,385.98x = 275,151.27 × 109,961.98
4. Step 4: Simplify right side
   199,385.98x = 30,256,178,448.71
5. Step 5: Solve for x
   x = 30,256,178,448.71/199,385.98
6. Step 6: Final answer
   x = 151,746.77