Finding the Fourth Proportional to 17,607.96, 26,417.34 and 7,220.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,607.96 : 26,417.34 = 7,220.52 : x
2. Step 2: Convert to fraction form
   17,607.96/26,417.34 = 7,220.52/x
3. Step 3: Cross multiply
   17,607.96x = 26,417.34 × 7,220.52
4. Step 4: Simplify right side
   17,607.96x = 190,746,931.82
5. Step 5: Solve for x
   x = 190,746,931.82/17,607.96
6. Step 6: Final answer
   x = 10,832.99