Finding the Fourth Proportional to 9,892.60, 14,836.50 and 3,317.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,892.60 : 14,836.50 = 3,317.08 : x
2. Step 2: Convert to fraction form
   9,892.60/14,836.50 = 3,317.08/x
3. Step 3: Cross multiply
   9,892.60x = 14,836.50 × 3,317.08
4. Step 4: Simplify right side
   9,892.60x = 49,213,857.42
5. Step 5: Solve for x
   x = 49,213,857.42/9,892.60
6. Step 6: Final answer
   x = 4,974.82