Finding the Fourth Proportional to 23,984.10, 35,963.82 and 12,900.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,984.10 : 35,963.82 = 12,900.15 : x
2. Step 2: Convert to fraction form
   23,984.10/35,963.82 = 12,900.15/x
3. Step 3: Cross multiply
   23,984.10x = 35,963.82 × 12,900.15
4. Step 4: Simplify right side
   23,984.10x = 463,938,672.57
5. Step 5: Solve for x
   x = 463,938,672.57/23,984.10
6. Step 6: Final answer
   x = 19,343.59