Finding the Fourth Proportional to 13,264.24, 18,298.56 and 7,672

Step by Step Solution

1. Step 1: Write the proportion equation
   13,264.24 : 18,298.56 = 7,672 : x
2. Step 2: Convert to fraction form
   13,264.24/18,298.56 = 7,672/x
3. Step 3: Cross multiply
   13,264.24x = 18,298.56 × 7,672
4. Step 4: Simplify right side
   13,264.24x = 140,386,552.32
5. Step 5: Solve for x
   x = 140,386,552.32/13,264.24
6. Step 6: Final answer
   x = 10,583.84