Finding the Fourth Proportional to 17,478.06, 26,221.18 and 4,998.24

Step by Step Solution

1. Step 1: Write the proportion equation
   17,478.06 : 26,221.18 = 4,998.24 : x
2. Step 2: Convert to fraction form
   17,478.06/26,221.18 = 4,998.24/x
3. Step 3: Cross multiply
   17,478.06x = 26,221.18 × 4,998.24
4. Step 4: Simplify right side
   17,478.06x = 131,059,750.72
5. Step 5: Solve for x
   x = 131,059,750.72/17,478.06
6. Step 6: Final answer
   x = 7,498.53