Finding the Fourth Proportional to 9,913.73, 14,869.82 and 3,670.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,913.73 : 14,869.82 = 3,670.80 : x
2. Step 2: Convert to fraction form
   9,913.73/14,869.82 = 3,670.80/x
3. Step 3: Cross multiply
   9,913.73x = 14,869.82 × 3,670.80
4. Step 4: Simplify right side
   9,913.73x = 54,584,116.90
5. Step 5: Solve for x
   x = 54,584,116.90/9,913.73
6. Step 6: Final answer
   x = 5,505.91