Finding the Fourth Proportional to 9,685.56, 14,530.50 and 3,445.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,685.56 : 14,530.50 = 3,445.80 : x
2. Step 2: Convert to fraction form
   9,685.56/14,530.50 = 3,445.80/x
3. Step 3: Cross multiply
   9,685.56x = 14,530.50 × 3,445.80
4. Step 4: Simplify right side
   9,685.56x = 50,069,196.90
5. Step 5: Solve for x
   x = 50,069,196.90/9,685.56
6. Step 6: Final answer
   x = 5,169.47