Finding the Fourth Proportional to 1,977.84, 2,965.85 and 1,156.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,977.84 : 2,965.85 = 1,156.37 : x
2. Step 2: Convert to fraction form
   1,977.84/2,965.85 = 1,156.37/x
3. Step 3: Cross multiply
   1,977.84x = 2,965.85 × 1,156.37
4. Step 4: Simplify right side
   1,977.84x = 3,429,603.69
5. Step 5: Solve for x
   x = 3,429,603.69/1,977.84
6. Step 6: Final answer
   x = 1,734.01