Finding the Fourth Proportional to 1,945.98, 2,685.69 and 1,160.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.98 : 2,685.69 = 1,160.01 : x
2. Step 2: Convert to fraction form
   1,945.98/2,685.69 = 1,160.01/x
3. Step 3: Cross multiply
   1,945.98x = 2,685.69 × 1,160.01
4. Step 4: Simplify right side
   1,945.98x = 3,115,427.26
5. Step 5: Solve for x
   x = 3,115,427.26/1,945.98
6. Step 6: Final answer
   x = 1,600.96