Finding the Fourth Proportional to 12,426.82, 18,646.71 and 5,036.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,426.82 : 18,646.71 = 5,036.74 : x
2. Step 2: Convert to fraction form
   12,426.82/18,646.71 = 5,036.74/x
3. Step 3: Cross multiply
   12,426.82x = 18,646.71 × 5,036.74
4. Step 4: Simplify right side
   12,426.82x = 93,918,630.13
5. Step 5: Solve for x
   x = 93,918,630.13/12,426.82
6. Step 6: Final answer
   x = 7,557.74