Finding the Fourth Proportional to 23,768.16, 35,812.76 and 19,698.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,768.16 : 35,812.76 = 19,698.72 : x
2. Step 2: Convert to fraction form
   23,768.16/35,812.76 = 19,698.72/x
3. Step 3: Cross multiply
   23,768.16x = 35,812.76 × 19,698.72
4. Step 4: Simplify right side
   23,768.16x = 705,465,531.67
5. Step 5: Solve for x
   x = 705,465,531.67/23,768.16
6. Step 6: Final answer
   x = 29,681.12