Finding the Fourth Proportional to 12,984.63, 19,477.73 and 4,100.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,984.63 : 19,477.73 = 4,100.25 : x
2. Step 2: Convert to fraction form
   12,984.63/19,477.73 = 4,100.25/x
3. Step 3: Cross multiply
   12,984.63x = 19,477.73 × 4,100.25
4. Step 4: Simplify right side
   12,984.63x = 79,863,562.43
5. Step 5: Solve for x
   x = 79,863,562.43/12,984.63
6. Step 6: Final answer
   x = 6,150.62