Finding the Fourth Proportional to 7,801.61, 10,763.69 and 4,443.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,801.61 : 10,763.69 = 4,443.89 : x
2. Step 2: Convert to fraction form
   7,801.61/10,763.69 = 4,443.89/x
3. Step 3: Cross multiply
   7,801.61x = 10,763.69 × 4,443.89
4. Step 4: Simplify right side
   7,801.61x = 47,832,578.32
5. Step 5: Solve for x
   x = 47,832,578.32/7,801.61
6. Step 6: Final answer
   x = 6,131.12