Finding the Fourth Proportional to 1,776.52, 2,664.28 and 736.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776.52 : 2,664.28 = 736.80 : x
2. Step 2: Convert to fraction form
   1,776.52/2,664.28 = 736.80/x
3. Step 3: Cross multiply
   1,776.52x = 2,664.28 × 736.80
4. Step 4: Simplify right side
   1,776.52x = 1,963,041.50
5. Step 5: Solve for x
   x = 1,963,041.50/1,776.52
6. Step 6: Final answer
   x = 1,104.99