Finding the Fourth Proportional to 1,580.50, 2,359.81 and 1,395.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,580.50 : 2,359.81 = 1,395.82 : x
2. Step 2: Convert to fraction form
   1,580.50/2,359.81 = 1,395.82/x
3. Step 3: Cross multiply
   1,580.50x = 2,359.81 × 1,395.82
4. Step 4: Simplify right side
   1,580.50x = 3,293,869.99
5. Step 5: Solve for x
   x = 3,293,869.99/1,580.50
6. Step 6: Final answer
   x = 2,084.07