Finding the Fourth Proportional to 11,810.88, 17,736.04 and 7,378.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,810.88 : 17,736.04 = 7,378.84 : x
2. Step 2: Convert to fraction form
   11,810.88/17,736.04 = 7,378.84/x
3. Step 3: Cross multiply
   11,810.88x = 17,736.04 × 7,378.84
4. Step 4: Simplify right side
   11,810.88x = 130,871,401.39
5. Step 5: Solve for x
   x = 130,871,401.39/11,810.88
6. Step 6: Final answer
   x = 11,080.58