Finding the Fourth Proportional to 23,381.32, 32,265.72 and 12,770.99

Step by Step Solution

1. Step 1: Write the proportion equation
   23,381.32 : 32,265.72 = 12,770.99 : x
2. Step 2: Convert to fraction form
   23,381.32/32,265.72 = 12,770.99/x
3. Step 3: Cross multiply
   23,381.32x = 32,265.72 × 12,770.99
4. Step 4: Simplify right side
   23,381.32x = 412,065,187.46
5. Step 5: Solve for x
   x = 412,065,187.46/23,381.32
6. Step 6: Final answer
   x = 17,623.69