Finding the Fourth Proportional to 10,783, 14,870.10 and 7,007.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,783 : 14,870.10 = 7,007.18 : x
2. Step 2: Convert to fraction form
   10,783/14,870.10 = 7,007.18/x
3. Step 3: Cross multiply
   10,783x = 14,870.10 × 7,007.18
4. Step 4: Simplify right side
   10,783x = 104,197,467.32
5. Step 5: Solve for x
   x = 104,197,467.32/10,783
6. Step 6: Final answer
   x = 9,663.12