Finding the Fourth Proportional to 13,146.89, 18,146.27 and 7,841.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,146.89 : 18,146.27 = 7,841.93 : x
2. Step 2: Convert to fraction form
   13,146.89/18,146.27 = 7,841.93/x
3. Step 3: Cross multiply
   13,146.89x = 18,146.27 × 7,841.93
4. Step 4: Simplify right side
   13,146.89x = 142,301,707.97
5. Step 5: Solve for x
   x = 142,301,707.97/13,146.89
6. Step 6: Final answer
   x = 10,823.99