Finding the Fourth Proportional to 4,730.21, 7,090.71 and 1,766.51

Step by Step Solution

1. Step 1: Write the proportion equation
   4,730.21 : 7,090.71 = 1,766.51 : x
2. Step 2: Convert to fraction form
   4,730.21/7,090.71 = 1,766.51/x
3. Step 3: Cross multiply
   4,730.21x = 7,090.71 × 1,766.51
4. Step 4: Simplify right side
   4,730.21x = 12,525,810.12
5. Step 5: Solve for x
   x = 12,525,810.12/4,730.21
6. Step 6: Final answer
   x = 2,648.05