Finding the Fourth Proportional to 11,111.34, 16,656.03 and 7,160.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111.34 : 16,656.03 = 7,160.16 : x
2. Step 2: Convert to fraction form
   11,111.34/16,656.03 = 7,160.16/x
3. Step 3: Cross multiply
   11,111.34x = 16,656.03 × 7,160.16
4. Step 4: Simplify right side
   11,111.34x = 119,259,839.76
5. Step 5: Solve for x
   x = 119,259,839.76/11,111.34
6. Step 6: Final answer
   x = 10,733.16