Finding the Fourth Proportional to 1,111.05, 1,534.55 and 1,046.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.05 : 1,534.55 = 1,046.25 : x
2. Step 2: Convert to fraction form
   1,111.05/1,534.55 = 1,046.25/x
3. Step 3: Cross multiply
   1,111.05x = 1,534.55 × 1,046.25
4. Step 4: Simplify right side
   1,111.05x = 1,605,517.71
5. Step 5: Solve for x
   x = 1,605,517.71/1,111.05
6. Step 6: Final answer
   x = 1,445.05