Finding the Fourth Proportional to 1,362.45, 1,876.05 and 1,175.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.45 : 1,876.05 = 1,175.61 : x
2. Step 2: Convert to fraction form
   1,362.45/1,876.05 = 1,175.61/x
3. Step 3: Cross multiply
   1,362.45x = 1,876.05 × 1,175.61
4. Step 4: Simplify right side
   1,362.45x = 2,205,503.14
5. Step 5: Solve for x
   x = 2,205,503.14/1,362.45
6. Step 6: Final answer
   x = 1,618.78