Finding the Fourth Proportional to 2,731.77, 4,098.78 and 977.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731.77 : 4,098.78 = 977.00 : x
2. Step 2: Convert to fraction form
   2,731.77/4,098.78 = 977.00/x
3. Step 3: Cross multiply
   2,731.77x = 4,098.78 × 977.00
4. Step 4: Simplify right side
   2,731.77x = 4,004,487.57
5. Step 5: Solve for x
   x = 4,004,487.57/2,731.77
6. Step 6: Final answer
   x = 1,465.89