Finding the Fourth Proportional to 7,748.61, 10,693.31 and 4,391.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,748.61 : 10,693.31 = 4,391.31 : x
2. Step 2: Convert to fraction form
   7,748.61/10,693.31 = 4,391.31/x
3. Step 3: Cross multiply
   7,748.61x = 10,693.31 × 4,391.31
4. Step 4: Simplify right side
   7,748.61x = 46,957,678.89
5. Step 5: Solve for x
   x = 46,957,678.89/7,748.61
6. Step 6: Final answer
   x = 6,060.14