Finding the Fourth Proportional to 12,427.83, 18,646.61 and 4,637.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,427.83 : 18,646.61 = 4,637.25 : x
2. Step 2: Convert to fraction form
   12,427.83/18,646.61 = 4,637.25/x
3. Step 3: Cross multiply
   12,427.83x = 18,646.61 × 4,637.25
4. Step 4: Simplify right side
   12,427.83x = 86,468,969.04
5. Step 5: Solve for x
   x = 86,468,969.04/12,427.83
6. Step 6: Final answer
   x = 6,957.69