Finding the Fourth Proportional to 190,100.39, 262,396.98 and 109,581.72

Step by Step Solution

1. Step 1: Write the proportion equation
   190,100.39 : 262,396.98 = 109,581.72 : x
2. Step 2: Convert to fraction form
   190,100.39/262,396.98 = 109,581.72/x
3. Step 3: Cross multiply
   190,100.39x = 262,396.98 × 109,581.72
4. Step 4: Simplify right side
   190,100.39x = 28,753,912,391.21
5. Step 5: Solve for x
   x = 28,753,912,391.21/190,100.39
6. Step 6: Final answer
   x = 151,256.47