Finding the Fourth Proportional to 12,152.67, 16,770.78 and 7,119.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,152.67 : 16,770.78 = 7,119.87 : x
2. Step 2: Convert to fraction form
   12,152.67/16,770.78 = 7,119.87/x
3. Step 3: Cross multiply
   12,152.67x = 16,770.78 × 7,119.87
4. Step 4: Simplify right side
   12,152.67x = 119,405,773.40
5. Step 5: Solve for x
   x = 119,405,773.40/12,152.67
6. Step 6: Final answer
   x = 9,825.48