Finding the Fourth Proportional to 9,564.30, 14,346.86 and 2,990.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,564.30 : 14,346.86 = 2,990.61 : x
2. Step 2: Convert to fraction form
   9,564.30/14,346.86 = 2,990.61/x
3. Step 3: Cross multiply
   9,564.30x = 14,346.86 × 2,990.61
4. Step 4: Simplify right side
   9,564.30x = 42,905,848.03
5. Step 5: Solve for x
   x = 42,905,848.03/9,564.30
6. Step 6: Final answer
   x = 4,486.04