Finding the Fourth Proportional to 1,856.13, 2,561.46 and 1,070.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.13 : 2,561.46 = 1,070.16 : x
2. Step 2: Convert to fraction form
   1,856.13/2,561.46 = 1,070.16/x
3. Step 3: Cross multiply
   1,856.13x = 2,561.46 × 1,070.16
4. Step 4: Simplify right side
   1,856.13x = 2,741,172.03
5. Step 5: Solve for x
   x = 2,741,172.03/1,856.13
6. Step 6: Final answer
   x = 1,476.82