Finding the Fourth Proportional to 1,870.22, 2,580.93 and 1,073.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.22 : 2,580.93 = 1,073.68 : x
2. Step 2: Convert to fraction form
   1,870.22/2,580.93 = 1,073.68/x
3. Step 3: Cross multiply
   1,870.22x = 2,580.93 × 1,073.68
4. Step 4: Simplify right side
   1,870.22x = 2,771,080.02
5. Step 5: Solve for x
   x = 2,771,080.02/1,870.22
6. Step 6: Final answer
   x = 1,481.69