Finding the Fourth Proportional to 199,925.52, 275,904.63 and 109,287.63

Step by Step Solution

1. Step 1: Write the proportion equation
   199,925.52 : 275,904.63 = 109,287.63 : x
2. Step 2: Convert to fraction form
   199,925.52/275,904.63 = 109,287.63/x
3. Step 3: Cross multiply
   199,925.52x = 275,904.63 × 109,287.63
4. Step 4: Simplify right side
   199,925.52x = 30,152,963,118.73
5. Step 5: Solve for x
   x = 30,152,963,118.73/199,925.52
6. Step 6: Final answer
   x = 150,820.98