Finding the Fourth Proportional to 17,403.68, 26,109.84 and 7,022.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,403.68 : 26,109.84 = 7,022.72 : x
2. Step 2: Convert to fraction form
   17,403.68/26,109.84 = 7,022.72/x
3. Step 3: Cross multiply
   17,403.68x = 26,109.84 × 7,022.72
4. Step 4: Simplify right side
   17,403.68x = 183,362,095.56
5. Step 5: Solve for x
   x = 183,362,095.56/17,403.68
6. Step 6: Final answer
   x = 10,535.82