Finding the Fourth Proportional to 13,012.18, 17,955.17 and 7,346.23

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.18 : 17,955.17 = 7,346.23 : x
2. Step 2: Convert to fraction form
   13,012.18/17,955.17 = 7,346.23/x
3. Step 3: Cross multiply
   13,012.18x = 17,955.17 × 7,346.23
4. Step 4: Simplify right side
   13,012.18x = 131,902,726.89
5. Step 5: Solve for x
   x = 131,902,726.89/13,012.18
6. Step 6: Final answer
   x = 10,136.87