Finding the Fourth Proportional to 7,907.51, 11,862.89 and 5,443.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,907.51 : 11,862.89 = 5,443.49 : x
2. Step 2: Convert to fraction form
   7,907.51/11,862.89 = 5,443.49/x
3. Step 3: Cross multiply
   7,907.51x = 11,862.89 × 5,443.49
4. Step 4: Simplify right side
   7,907.51x = 64,575,436.55
5. Step 5: Solve for x
   x = 64,575,436.55/7,907.51
6. Step 6: Final answer
   x = 8,166.35