Finding the Fourth Proportional to 1,870.06, 2,579.40 and 1,084.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.06 : 2,579.40 = 1,084.12 : x
2. Step 2: Convert to fraction form
   1,870.06/2,579.40 = 1,084.12/x
3. Step 3: Cross multiply
   1,870.06x = 2,579.40 × 1,084.12
4. Step 4: Simplify right side
   1,870.06x = 2,796,379.13
5. Step 5: Solve for x
   x = 2,796,379.13/1,870.06
6. Step 6: Final answer
   x = 1,495.34