Finding the Fourth Proportional to 1,870.95, 2,809.56 and 1,796.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.95 : 2,809.56 = 1,796.45 : x
2. Step 2: Convert to fraction form
   1,870.95/2,809.56 = 1,796.45/x
3. Step 3: Cross multiply
   1,870.95x = 2,809.56 × 1,796.45
4. Step 4: Simplify right side
   1,870.95x = 5,047,245.40
5. Step 5: Solve for x
   x = 5,047,245.40/1,870.95
6. Step 6: Final answer
   x = 2,697.69