Finding the Fourth Proportional to 13,026.20, 19,552.32 and 7,185.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,026.20 : 19,552.32 = 7,185.56 : x
2. Step 2: Convert to fraction form
   13,026.20/19,552.32 = 7,185.56/x
3. Step 3: Cross multiply
   13,026.20x = 19,552.32 × 7,185.56
4. Step 4: Simplify right side
   13,026.20x = 140,494,368.50
5. Step 5: Solve for x
   x = 140,494,368.50/13,026.20
6. Step 6: Final answer
   x = 10,785.52