Finding the Fourth Proportional to 11,474.51, 17,189.83 and 7,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,474.51 : 17,189.83 = 7,758.50 : x
2. Step 2: Convert to fraction form
   11,474.51/17,189.83 = 7,758.50/x
3. Step 3: Cross multiply
   11,474.51x = 17,189.83 × 7,758.50
4. Step 4: Simplify right side
   11,474.51x = 133,367,319.63
5. Step 5: Solve for x
   x = 133,367,319.63/11,474.51
6. Step 6: Final answer
   x = 11,622.92