Finding the Fourth Proportional to 11,868.42, 16,359.57 and 9,346.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,868.42 : 16,359.57 = 9,346.53 : x
2. Step 2: Convert to fraction form
   11,868.42/16,359.57 = 9,346.53/x
3. Step 3: Cross multiply
   11,868.42x = 16,359.57 × 9,346.53
4. Step 4: Simplify right side
   11,868.42x = 152,905,211.79
5. Step 5: Solve for x
   x = 152,905,211.79/11,868.42
6. Step 6: Final answer
   x = 12,883.37