Finding the Fourth Proportional to 13,043.05, 17,998.91 and 7,074.51

Step by Step Solution

1. Step 1: Write the proportion equation
   13,043.05 : 17,998.91 = 7,074.51 : x
2. Step 2: Convert to fraction form
   13,043.05/17,998.91 = 7,074.51/x
3. Step 3: Cross multiply
   13,043.05x = 17,998.91 × 7,074.51
4. Step 4: Simplify right side
   13,043.05x = 127,333,392.45
5. Step 5: Solve for x
   x = 127,333,392.45/13,043.05
6. Step 6: Final answer
   x = 9,762.55