Finding the Fourth Proportional to 13,345.02, 18,414.24 and 7,677.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,345.02 : 18,414.24 = 7,677.61 : x
2. Step 2: Convert to fraction form
   13,345.02/18,414.24 = 7,677.61/x
3. Step 3: Cross multiply
   13,345.02x = 18,414.24 × 7,677.61
4. Step 4: Simplify right side
   13,345.02x = 141,377,372.36
5. Step 5: Solve for x
   x = 141,377,372.36/13,345.02
6. Step 6: Final answer
   x = 10,594.02