Finding the Fourth Proportional to 1,337.17, 1,844.89 and 777.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.17 : 1,844.89 = 777.53 : x
2. Step 2: Convert to fraction form
   1,337.17/1,844.89 = 777.53/x
3. Step 3: Cross multiply
   1,337.17x = 1,844.89 × 777.53
4. Step 4: Simplify right side
   1,337.17x = 1,434,457.32
5. Step 5: Solve for x
   x = 1,434,457.32/1,337.17
6. Step 6: Final answer
   x = 1,072.76