Finding the Fourth Proportional to 1,936.68, 2,904.38 and 1,047.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,936.68 : 2,904.38 = 1,047.05 : x
2. Step 2: Convert to fraction form
   1,936.68/2,904.38 = 1,047.05/x
3. Step 3: Cross multiply
   1,936.68x = 2,904.38 × 1,047.05
4. Step 4: Simplify right side
   1,936.68x = 3,041,019.17
5. Step 5: Solve for x
   x = 3,041,019.17/1,936.68
6. Step 6: Final answer
   x = 1,570.22