Finding the Fourth Proportional to 9,565.34, 14,345.96 and 2,990.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,565.34 : 14,345.96 = 2,990.67 : x
2. Step 2: Convert to fraction form
   9,565.34/14,345.96 = 2,990.67/x
3. Step 3: Cross multiply
   9,565.34x = 14,345.96 × 2,990.67
4. Step 4: Simplify right side
   9,565.34x = 42,904,060.96
5. Step 5: Solve for x
   x = 42,904,060.96/9,565.34
6. Step 6: Final answer
   x = 4,485.37