Finding the Fourth Proportional to 11,682.16, 17,521.80 and 4,756.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,682.16 : 17,521.80 = 4,756.72 : x
2. Step 2: Convert to fraction form
   11,682.16/17,521.80 = 4,756.72/x
3. Step 3: Cross multiply
   11,682.16x = 17,521.80 × 4,756.72
4. Step 4: Simplify right side
   11,682.16x = 83,346,296.50
5. Step 5: Solve for x
   x = 83,346,296.50/11,682.16
6. Step 6: Final answer
   x = 7,134.49