Finding the Fourth Proportional to 17,530.31, 26,275.99 and 13,356.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,530.31 : 26,275.99 = 13,356.56 : x
2. Step 2: Convert to fraction form
   17,530.31/26,275.99 = 13,356.56/x
3. Step 3: Cross multiply
   17,530.31x = 26,275.99 × 13,356.56
4. Step 4: Simplify right side
   17,530.31x = 350,956,696.45
5. Step 5: Solve for x
   x = 350,956,696.45/17,530.31
6. Step 6: Final answer
   x = 20,020.00