Finding the Fourth Proportional to 13,342.05, 18,411.00 and 7,677.11

Step by Step Solution

1. Step 1: Write the proportion equation
   13,342.05 : 18,411.00 = 7,677.11 : x
2. Step 2: Convert to fraction form
   13,342.05/18,411.00 = 7,677.11/x
3. Step 3: Cross multiply
   13,342.05x = 18,411.00 × 7,677.11
4. Step 4: Simplify right side
   13,342.05x = 141,343,289.45
5. Step 5: Solve for x
   x = 141,343,289.45/13,342.05
6. Step 6: Final answer
   x = 10,593.82