Finding the Fourth Proportional to 13,100.83, 18,081.64 and 7,436.11

Step by Step Solution

1. Step 1: Write the proportion equation
   13,100.83 : 18,081.64 = 7,436.11 : x
2. Step 2: Convert to fraction form
   13,100.83/18,081.64 = 7,436.11/x
3. Step 3: Cross multiply
   13,100.83x = 18,081.64 × 7,436.11
4. Step 4: Simplify right side
   13,100.83x = 134,457,000.23
5. Step 5: Solve for x
   x = 134,457,000.23/13,100.83
6. Step 6: Final answer
   x = 10,263.24