Finding the Fourth Proportional to 11,774.58, 17,666.40 and 5,196.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,774.58 : 17,666.40 = 5,196.12 : x
2. Step 2: Convert to fraction form
   11,774.58/17,666.40 = 5,196.12/x
3. Step 3: Cross multiply
   11,774.58x = 17,666.40 × 5,196.12
4. Step 4: Simplify right side
   11,774.58x = 91,796,734.37
5. Step 5: Solve for x
   x = 91,796,734.37/11,774.58
6. Step 6: Final answer
   x = 7,796.18