Finding the Fourth Proportional to 1,985.82, 2,740.40 and 1,146.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,985.82 : 2,740.40 = 1,146.51 : x
2. Step 2: Convert to fraction form
   1,985.82/2,740.40 = 1,146.51/x
3. Step 3: Cross multiply
   1,985.82x = 2,740.40 × 1,146.51
4. Step 4: Simplify right side
   1,985.82x = 3,141,896.00
5. Step 5: Solve for x
   x = 3,141,896.00/1,985.82
6. Step 6: Final answer
   x = 1,582.17