Finding the Fourth Proportional to 1,583.33, 2,375.06 and 761.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,583.33 : 2,375.06 = 761.31 : x
2. Step 2: Convert to fraction form
   1,583.33/2,375.06 = 761.31/x
3. Step 3: Cross multiply
   1,583.33x = 2,375.06 × 761.31
4. Step 4: Simplify right side
   1,583.33x = 1,808,153.12
5. Step 5: Solve for x
   x = 1,808,153.12/1,583.33
6. Step 6: Final answer
   x = 1,142.00