Finding the Fourth Proportional to 13,055.94, 18,017.22 and 7,390.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,055.94 : 18,017.22 = 7,390.62 : x
2. Step 2: Convert to fraction form
   13,055.94/18,017.22 = 7,390.62/x
3. Step 3: Cross multiply
   13,055.94x = 18,017.22 × 7,390.62
4. Step 4: Simplify right side
   13,055.94x = 133,158,426.48
5. Step 5: Solve for x
   x = 133,158,426.48/13,055.94
6. Step 6: Final answer
   x = 10,199.07