Finding the Fourth Proportional to 1,499.22, 2,070.15 and 1,110.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.22 : 2,070.15 = 1,110.42 : x
2. Step 2: Convert to fraction form
   1,499.22/2,070.15 = 1,110.42/x
3. Step 3: Cross multiply
   1,499.22x = 2,070.15 × 1,110.42
4. Step 4: Simplify right side
   1,499.22x = 2,298,735.96
5. Step 5: Solve for x
   x = 2,298,735.96/1,499.22
6. Step 6: Final answer
   x = 1,533.29