Finding the Fourth Proportional to 12,996.88, 19,474.84 and 7,796.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,996.88 : 19,474.84 = 7,796.24 : x
2. Step 2: Convert to fraction form
   12,996.88/19,474.84 = 7,796.24/x
3. Step 3: Cross multiply
   12,996.88x = 19,474.84 × 7,796.24
4. Step 4: Simplify right side
   12,996.88x = 151,830,526.60
5. Step 5: Solve for x
   x = 151,830,526.60/12,996.88
6. Step 6: Final answer
   x = 11,682.07