Finding the Fourth Proportional to 13,300.05, 18,354.18 and 7,331.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.05 : 18,354.18 = 7,331.58 : x
2. Step 2: Convert to fraction form
   13,300.05/18,354.18 = 7,331.58/x
3. Step 3: Cross multiply
   13,300.05x = 18,354.18 × 7,331.58
4. Step 4: Simplify right side
   13,300.05x = 134,565,139.00
5. Step 5: Solve for x
   x = 134,565,139.00/13,300.05
6. Step 6: Final answer
   x = 10,117.64