Finding the Fourth Proportional to 11,955.55, 17,889.10 and 7,214.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,955.55 : 17,889.10 = 7,214.46 : x
2. Step 2: Convert to fraction form
   11,955.55/17,889.10 = 7,214.46/x
3. Step 3: Cross multiply
   11,955.55x = 17,889.10 × 7,214.46
4. Step 4: Simplify right side
   11,955.55x = 129,060,196.39
5. Step 5: Solve for x
   x = 129,060,196.39/11,955.55
6. Step 6: Final answer
   x = 10,795.00