Finding the Fourth Proportional to 1,873.59, 2,804.93 and 1,317.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,873.59 : 2,804.93 = 1,317.57 : x
2. Step 2: Convert to fraction form
   1,873.59/2,804.93 = 1,317.57/x
3. Step 3: Cross multiply
   1,873.59x = 2,804.93 × 1,317.57
4. Step 4: Simplify right side
   1,873.59x = 3,695,685.03
5. Step 5: Solve for x
   x = 3,695,685.03/1,873.59
6. Step 6: Final answer
   x = 1,972.52