Finding the Fourth Proportional to 190,385.31, 262,647.33 and 109,793.55

Step by Step Solution

1. Step 1: Write the proportion equation
   190,385.31 : 262,647.33 = 109,793.55 : x
2. Step 2: Convert to fraction form
   190,385.31/262,647.33 = 109,793.55/x
3. Step 3: Cross multiply
   190,385.31x = 262,647.33 × 109,793.55
4. Step 4: Simplify right side
   190,385.31x = 28,836,982,758.72
5. Step 5: Solve for x
   x = 28,836,982,758.72/190,385.31
6. Step 6: Final answer
   x = 151,466.43