Finding the Fourth Proportional to 1,541.63, 2,127.72 and 982.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,541.63 : 2,127.72 = 982.32 : x
2. Step 2: Convert to fraction form
   1,541.63/2,127.72 = 982.32/x
3. Step 3: Cross multiply
   1,541.63x = 2,127.72 × 982.32
4. Step 4: Simplify right side
   1,541.63x = 2,090,101.91
5. Step 5: Solve for x
   x = 2,090,101.91/1,541.63
6. Step 6: Final answer
   x = 1,355.78