Finding the Fourth Proportional to 13,086.44, 18,061.86 and 7,501.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,086.44 : 18,061.86 = 7,501.16 : x
2. Step 2: Convert to fraction form
   13,086.44/18,061.86 = 7,501.16/x
3. Step 3: Cross multiply
   13,086.44x = 18,061.86 × 7,501.16
4. Step 4: Simplify right side
   13,086.44x = 135,484,901.76
5. Step 5: Solve for x
   x = 135,484,901.76/13,086.44
6. Step 6: Final answer
   x = 10,353.08