Finding the Fourth Proportional to 23,640.65, 32,623.52 and 13,030.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,640.65 : 32,623.52 = 13,030.05 : x
2. Step 2: Convert to fraction form
   23,640.65/32,623.52 = 13,030.05/x
3. Step 3: Cross multiply
   23,640.65x = 32,623.52 × 13,030.05
4. Step 4: Simplify right side
   23,640.65x = 425,086,096.78
5. Step 5: Solve for x
   x = 425,086,096.78/23,640.65
6. Step 6: Final answer
   x = 17,981.15