Finding the Fourth Proportional to 13,233.61, 19,824.46 and 7,675.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,233.61 : 19,824.46 = 7,675.28 : x
2. Step 2: Convert to fraction form
   13,233.61/19,824.46 = 7,675.28/x
3. Step 3: Cross multiply
   13,233.61x = 19,824.46 × 7,675.28
4. Step 4: Simplify right side
   13,233.61x = 152,158,191.82
5. Step 5: Solve for x
   x = 152,158,191.82/13,233.61
6. Step 6: Final answer
   x = 11,497.86