Finding the Fourth Proportional to 10,358.60, 14,289.98 and 7,002.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,358.60 : 14,289.98 = 7,002.59 : x
2. Step 2: Convert to fraction form
   10,358.60/14,289.98 = 7,002.59/x
3. Step 3: Cross multiply
   10,358.60x = 14,289.98 × 7,002.59
4. Step 4: Simplify right side
   10,358.60x = 100,066,764.59
5. Step 5: Solve for x
   x = 100,066,764.59/10,358.60
6. Step 6: Final answer
   x = 9,660.26