Finding the Fourth Proportional to 12,835.32, 17,707.50 and 7,799.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,835.32 : 17,707.50 = 7,799.64 : x
2. Step 2: Convert to fraction form
   12,835.32/17,707.50 = 7,799.64/x
3. Step 3: Cross multiply
   12,835.32x = 17,707.50 × 7,799.64
4. Step 4: Simplify right side
   12,835.32x = 138,112,125.30
5. Step 5: Solve for x
   x = 138,112,125.30/12,835.32
6. Step 6: Final answer
   x = 10,760.32