Finding the Fourth Proportional to 1,375.82, 2,059.20 and 1,185.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.82 : 2,059.20 = 1,185.74 : x
2. Step 2: Convert to fraction form
   1,375.82/2,059.20 = 1,185.74/x
3. Step 3: Cross multiply
   1,375.82x = 2,059.20 × 1,185.74
4. Step 4: Simplify right side
   1,375.82x = 2,441,675.81
5. Step 5: Solve for x
   x = 2,441,675.81/1,375.82
6. Step 6: Final answer
   x = 1,774.71