Finding the Fourth Proportional to 23,730.16, 35,755.42 and 19,660.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,730.16 : 35,755.42 = 19,660.72 : x
2. Step 2: Convert to fraction form
   23,730.16/35,755.42 = 19,660.72/x
3. Step 3: Cross multiply
   23,730.16x = 35,755.42 × 19,660.72
4. Step 4: Simplify right side
   23,730.16x = 702,977,301.10
5. Step 5: Solve for x
   x = 702,977,301.10/23,730.16
6. Step 6: Final answer
   x = 29,623.79