Finding the Fourth Proportional to 1,359.84, 1,877.31 and 1,065.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.84 : 1,877.31 = 1,065.81 : x
2. Step 2: Convert to fraction form
   1,359.84/1,877.31 = 1,065.81/x
3. Step 3: Cross multiply
   1,359.84x = 1,877.31 × 1,065.81
4. Step 4: Simplify right side
   1,359.84x = 2,000,855.77
5. Step 5: Solve for x
   x = 2,000,855.77/1,359.84
6. Step 6: Final answer
   x = 1,471.39