Finding the Fourth Proportional to 1,141.68, 1,703.56 and 1,072.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.68 : 1,703.56 = 1,072.02 : x
2. Step 2: Convert to fraction form
   1,141.68/1,703.56 = 1,072.02/x
3. Step 3: Cross multiply
   1,141.68x = 1,703.56 × 1,072.02
4. Step 4: Simplify right side
   1,141.68x = 1,826,247.71
5. Step 5: Solve for x
   x = 1,826,247.71/1,141.68
6. Step 6: Final answer
   x = 1,599.61