Finding the Fourth Proportional to 1,858.81, 2,566.89 and 1,196.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858.81 : 2,566.89 = 1,196.81 : x
2. Step 2: Convert to fraction form
   1,858.81/2,566.89 = 1,196.81/x
3. Step 3: Cross multiply
   1,858.81x = 2,566.89 × 1,196.81
4. Step 4: Simplify right side
   1,858.81x = 3,072,079.62
5. Step 5: Solve for x
   x = 3,072,079.62/1,858.81
6. Step 6: Final answer
   x = 1,652.71