Finding the Fourth Proportional to 12,923.35, 17,835.90 and 7,888.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,923.35 : 17,835.90 = 7,888.24 : x
2. Step 2: Convert to fraction form
   12,923.35/17,835.90 = 7,888.24/x
3. Step 3: Cross multiply
   12,923.35x = 17,835.90 × 7,888.24
4. Step 4: Simplify right side
   12,923.35x = 140,693,752.20
5. Step 5: Solve for x
   x = 140,693,752.20/12,923.35
6. Step 6: Final answer
   x = 10,886.79