Finding the Fourth Proportional to 7,748.10, 10,692.03 and 4,390.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,748.10 : 10,692.03 = 4,390.72 : x
2. Step 2: Convert to fraction form
   7,748.10/10,692.03 = 4,390.72/x
3. Step 3: Cross multiply
   7,748.10x = 10,692.03 × 4,390.72
4. Step 4: Simplify right side
   7,748.10x = 46,945,709.96
5. Step 5: Solve for x
   x = 46,945,709.96/7,748.10
6. Step 6: Final answer
   x = 6,059.00