Finding the Fourth Proportional to 10,902.60, 16,349.04 and 3,109.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,902.60 : 16,349.04 = 3,109.59 : x
2. Step 2: Convert to fraction form
   10,902.60/16,349.04 = 3,109.59/x
3. Step 3: Cross multiply
   10,902.60x = 16,349.04 × 3,109.59
4. Step 4: Simplify right side
   10,902.60x = 50,838,811.29
5. Step 5: Solve for x
   x = 50,838,811.29/10,902.60
6. Step 6: Final answer
   x = 4,663.00