Finding the Fourth Proportional to 4,699.11, 7,047.90 and 1,776.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,699.11 : 7,047.90 = 1,776.72 : x
2. Step 2: Convert to fraction form
   4,699.11/7,047.90 = 1,776.72/x
3. Step 3: Cross multiply
   4,699.11x = 7,047.90 × 1,776.72
4. Step 4: Simplify right side
   4,699.11x = 12,522,144.89
5. Step 5: Solve for x
   x = 12,522,144.89/4,699.11
6. Step 6: Final answer
   x = 2,664.79