Finding the Fourth Proportional to 1,337.02, 1,845.39 and 870.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.02 : 1,845.39 = 870.46 : x
2. Step 2: Convert to fraction form
   1,337.02/1,845.39 = 870.46/x
3. Step 3: Cross multiply
   1,337.02x = 1,845.39 × 870.46
4. Step 4: Simplify right side
   1,337.02x = 1,606,338.18
5. Step 5: Solve for x
   x = 1,606,338.18/1,337.02
6. Step 6: Final answer
   x = 1,201.43