Finding the Fourth Proportional to 10,768.53, 14,868.32 and 7,191.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,768.53 : 14,868.32 = 7,191.98 : x
2. Step 2: Convert to fraction form
   10,768.53/14,868.32 = 7,191.98/x
3. Step 3: Cross multiply
   10,768.53x = 14,868.32 × 7,191.98
4. Step 4: Simplify right side
   10,768.53x = 106,932,549.77
5. Step 5: Solve for x
   x = 106,932,549.77/10,768.53
6. Step 6: Final answer
   x = 9,930.10