Finding the Fourth Proportional to 1,766.56, 2,435.61 and 1,263.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.56 : 2,435.61 = 1,263.02 : x
2. Step 2: Convert to fraction form
   1,766.56/2,435.61 = 1,263.02/x
3. Step 3: Cross multiply
   1,766.56x = 2,435.61 × 1,263.02
4. Step 4: Simplify right side
   1,766.56x = 3,076,224.14
5. Step 5: Solve for x
   x = 3,076,224.14/1,766.56
6. Step 6: Final answer
   x = 1,741.36