Finding the Fourth Proportional to 20,502.54, 30,779.73 and 17,443.98

Step by Step Solution

1. Step 1: Write the proportion equation
   20,502.54 : 30,779.73 = 17,443.98 : x
2. Step 2: Convert to fraction form
   20,502.54/30,779.73 = 17,443.98/x
3. Step 3: Cross multiply
   20,502.54x = 30,779.73 × 17,443.98
4. Step 4: Simplify right side
   20,502.54x = 536,920,994.53
5. Step 5: Solve for x
   x = 536,920,994.53/20,502.54
6. Step 6: Final answer
   x = 26,188.02