Finding the Fourth Proportional to 1,482.16, 2,045.37 and 810.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,482.16 : 2,045.37 = 810.01 : x
2. Step 2: Convert to fraction form
   1,482.16/2,045.37 = 810.01/x
3. Step 3: Cross multiply
   1,482.16x = 2,045.37 × 810.01
4. Step 4: Simplify right side
   1,482.16x = 1,656,770.15
5. Step 5: Solve for x
   x = 1,656,770.15/1,482.16
6. Step 6: Final answer
   x = 1,117.81