Finding the Fourth Proportional to 1,160.50, 1,747.70 and 1,056.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,160.50 : 1,747.70 = 1,056.82 : x
2. Step 2: Convert to fraction form
   1,160.50/1,747.70 = 1,056.82/x
3. Step 3: Cross multiply
   1,160.50x = 1,747.70 × 1,056.82
4. Step 4: Simplify right side
   1,160.50x = 1,847,004.31
5. Step 5: Solve for x
   x = 1,847,004.31/1,160.50
6. Step 6: Final answer
   x = 1,591.56