Finding the Fourth Proportional to 1,870.84, 2,804.76 and 1,284.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.84 : 2,804.76 = 1,284.06 : x
2. Step 2: Convert to fraction form
   1,870.84/2,804.76 = 1,284.06/x
3. Step 3: Cross multiply
   1,870.84x = 2,804.76 × 1,284.06
4. Step 4: Simplify right side
   1,870.84x = 3,601,480.13
5. Step 5: Solve for x
   x = 3,601,480.13/1,870.84
6. Step 6: Final answer
   x = 1,925.06