Finding the Fourth Proportional to 7,789.19, 10,748.88 and 4,763.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,789.19 : 10,748.88 = 4,763.31 : x
2. Step 2: Convert to fraction form
   7,789.19/10,748.88 = 4,763.31/x
3. Step 3: Cross multiply
   7,789.19x = 10,748.88 × 4,763.31
4. Step 4: Simplify right side
   7,789.19x = 51,200,193.89
5. Step 5: Solve for x
   x = 51,200,193.89/7,789.19
6. Step 6: Final answer
   x = 6,573.24