Finding the Fourth Proportional to 1,435.73, 1,980.51 and 876.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.73 : 1,980.51 = 876.02 : x
2. Step 2: Convert to fraction form
   1,435.73/1,980.51 = 876.02/x
3. Step 3: Cross multiply
   1,435.73x = 1,980.51 × 876.02
4. Step 4: Simplify right side
   1,435.73x = 1,734,966.37
5. Step 5: Solve for x
   x = 1,734,966.37/1,435.73
6. Step 6: Final answer
   x = 1,208.42