Finding the Fourth Proportional to 1,196.74, 1,783.36 and 1,157.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.74 : 1,783.36 = 1,157.59 : x
2. Step 2: Convert to fraction form
   1,196.74/1,783.36 = 1,157.59/x
3. Step 3: Cross multiply
   1,196.74x = 1,783.36 × 1,157.59
4. Step 4: Simplify right side
   1,196.74x = 2,064,385.00
5. Step 5: Solve for x
   x = 2,064,385.00/1,196.74
6. Step 6: Final answer
   x = 1,725.01