Finding the Fourth Proportional to 13,310.47, 18,368.56 and 7,342.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,310.47 : 18,368.56 = 7,342.34 : x
2. Step 2: Convert to fraction form
   13,310.47/18,368.56 = 7,342.34/x
3. Step 3: Cross multiply
   13,310.47x = 18,368.56 × 7,342.34
4. Step 4: Simplify right side
   13,310.47x = 134,868,212.83
5. Step 5: Solve for x
   x = 134,868,212.83/13,310.47
6. Step 6: Final answer
   x = 10,132.49