Finding the Fourth Proportional to 16,932.42, 25,403.85 and 7,580.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,932.42 : 25,403.85 = 7,580.34 : x
2. Step 2: Convert to fraction form
   16,932.42/25,403.85 = 7,580.34/x
3. Step 3: Cross multiply
   16,932.42x = 25,403.85 × 7,580.34
4. Step 4: Simplify right side
   16,932.42x = 192,569,820.31
5. Step 5: Solve for x
   x = 192,569,820.31/16,932.42
6. Step 6: Final answer
   x = 11,372.85