Finding the Fourth Proportional to 1,982.42, 2,970.86 and 1,159.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.42 : 2,970.86 = 1,159.56 : x
2. Step 2: Convert to fraction form
   1,982.42/2,970.86 = 1,159.56/x
3. Step 3: Cross multiply
   1,982.42x = 2,970.86 × 1,159.56
4. Step 4: Simplify right side
   1,982.42x = 3,444,890.42
5. Step 5: Solve for x
   x = 3,444,890.42/1,982.42
6. Step 6: Final answer
   x = 1,737.72