Finding the Fourth Proportional to 17,419.81, 26,128.50 and 7,566.16

Step by Step Solution

1. Step 1: Write the proportion equation
   17,419.81 : 26,128.50 = 7,566.16 : x
2. Step 2: Convert to fraction form
   17,419.81/26,128.50 = 7,566.16/x
3. Step 3: Cross multiply
   17,419.81x = 26,128.50 × 7,566.16
4. Step 4: Simplify right side
   17,419.81x = 197,692,411.56
5. Step 5: Solve for x
   x = 197,692,411.56/17,419.81
6. Step 6: Final answer
   x = 11,348.71