Finding the Fourth Proportional to 1,776.51, 2,666.39 and 1,364.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776.51 : 2,666.39 = 1,364.31 : x
2. Step 2: Convert to fraction form
   1,776.51/2,666.39 = 1,364.31/x
3. Step 3: Cross multiply
   1,776.51x = 2,666.39 × 1,364.31
4. Step 4: Simplify right side
   1,776.51x = 3,637,775.72
5. Step 5: Solve for x
   x = 3,637,775.72/1,776.51
6. Step 6: Final answer
   x = 2,047.71