Finding the Fourth Proportional to 13,045.38, 17,994.43 and 7,736.44

Step by Step Solution

1. Step 1: Write the proportion equation
   13,045.38 : 17,994.43 = 7,736.44 : x
2. Step 2: Convert to fraction form
   13,045.38/17,994.43 = 7,736.44/x
3. Step 3: Cross multiply
   13,045.38x = 17,994.43 × 7,736.44
4. Step 4: Simplify right side
   13,045.38x = 139,212,792.71
5. Step 5: Solve for x
   x = 139,212,792.71/13,045.38
6. Step 6: Final answer
   x = 10,671.42