Finding the Fourth Proportional to 1,870.04, 2,805.23 and 945.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.04 : 2,805.23 = 945.02 : x
2. Step 2: Convert to fraction form
   1,870.04/2,805.23 = 945.02/x
3. Step 3: Cross multiply
   1,870.04x = 2,805.23 × 945.02
4. Step 4: Simplify right side
   1,870.04x = 2,650,992.05
5. Step 5: Solve for x
   x = 2,650,992.05/1,870.04
6. Step 6: Final answer
   x = 1,417.61