Finding the Fourth Proportional to 13,394.82, 18,484.83 and 7,426.74

Step by Step Solution

1. Step 1: Write the proportion equation
   13,394.82 : 18,484.83 = 7,426.74 : x
2. Step 2: Convert to fraction form
   13,394.82/18,484.83 = 7,426.74/x
3. Step 3: Cross multiply
   13,394.82x = 18,484.83 × 7,426.74
4. Step 4: Simplify right side
   13,394.82x = 137,282,026.35
5. Step 5: Solve for x
   x = 137,282,026.35/13,394.82
6. Step 6: Final answer
   x = 10,248.89