Finding the Fourth Proportional to 1,977.53, 2,965.38 and 1,156.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,977.53 : 2,965.38 = 1,156.05 : x
2. Step 2: Convert to fraction form
   1,977.53/2,965.38 = 1,156.05/x
3. Step 3: Cross multiply
   1,977.53x = 2,965.38 × 1,156.05
4. Step 4: Simplify right side
   1,977.53x = 3,428,127.55
5. Step 5: Solve for x
   x = 3,428,127.55/1,977.53
6. Step 6: Final answer
   x = 1,733.54