Finding the Fourth Proportional to 10,069.60, 15,105.12 and 3,494.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,069.60 : 15,105.12 = 3,494.96 : x
2. Step 2: Convert to fraction form
   10,069.60/15,105.12 = 3,494.96/x
3. Step 3: Cross multiply
   10,069.60x = 15,105.12 × 3,494.96
4. Step 4: Simplify right side
   10,069.60x = 52,791,790.20
5. Step 5: Solve for x
   x = 52,791,790.20/10,069.60
6. Step 6: Final answer
   x = 5,242.69