Finding the Fourth Proportional to 9,561.32, 14,343.32 and 2,985.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,561.32 : 14,343.32 = 2,985.72 : x
2. Step 2: Convert to fraction form
   9,561.32/14,343.32 = 2,985.72/x
3. Step 3: Cross multiply
   9,561.32x = 14,343.32 × 2,985.72
4. Step 4: Simplify right side
   9,561.32x = 42,825,137.39
5. Step 5: Solve for x
   x = 42,825,137.39/9,561.32
6. Step 6: Final answer
   x = 4,479.00