Finding the Fourth Proportional to 13,367.55, 18,446.71 and 7,317.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,367.55 : 18,446.71 = 7,317.93 : x
2. Step 2: Convert to fraction form
   13,367.55/18,446.71 = 7,317.93/x
3. Step 3: Cross multiply
   13,367.55x = 18,446.71 × 7,317.93
4. Step 4: Simplify right side
   13,367.55x = 134,991,732.51
5. Step 5: Solve for x
   x = 134,991,732.51/13,367.55
6. Step 6: Final answer
   x = 10,098.46