Finding the Fourth Proportional to 1,337.03, 1,845.04 and 777.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.03 : 1,845.04 = 777.45 : x
2. Step 2: Convert to fraction form
   1,337.03/1,845.04 = 777.45/x
3. Step 3: Cross multiply
   1,337.03x = 1,845.04 × 777.45
4. Step 4: Simplify right side
   1,337.03x = 1,434,426.35
5. Step 5: Solve for x
   x = 1,434,426.35/1,337.03
6. Step 6: Final answer
   x = 1,072.85