Finding the Fourth Proportional to 3,506.72, 5,263.32 and 1,776.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,506.72 : 5,263.32 = 1,776.56 : x
2. Step 2: Convert to fraction form
   3,506.72/5,263.32 = 1,776.56/x
3. Step 3: Cross multiply
   3,506.72x = 5,263.32 × 1,776.56
4. Step 4: Simplify right side
   3,506.72x = 9,350,603.78
5. Step 5: Solve for x
   x = 9,350,603.78/3,506.72
6. Step 6: Final answer
   x = 2,666.48