Finding the Fourth Proportional to 11,972.86, 16,522.30 and 7,499.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,972.86 : 16,522.30 = 7,499.08 : x
2. Step 2: Convert to fraction form
   11,972.86/16,522.30 = 7,499.08/x
3. Step 3: Cross multiply
   11,972.86x = 16,522.30 × 7,499.08
4. Step 4: Simplify right side
   11,972.86x = 123,902,100.60
5. Step 5: Solve for x
   x = 123,902,100.60/11,972.86
6. Step 6: Final answer
   x = 10,348.58