Finding the Fourth Proportional to 10,123.06, 15,185.31 and 3,197.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,123.06 : 15,185.31 = 3,197.50 : x
2. Step 2: Convert to fraction form
   10,123.06/15,185.31 = 3,197.50/x
3. Step 3: Cross multiply
   10,123.06x = 15,185.31 × 3,197.50
4. Step 4: Simplify right side
   10,123.06x = 48,555,028.73
5. Step 5: Solve for x
   x = 48,555,028.73/10,123.06
6. Step 6: Final answer
   x = 4,796.48