Finding the Fourth Proportional to 1,146.53, 1,590.86 and 1,100.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.53 : 1,590.86 = 1,100.25 : x
2. Step 2: Convert to fraction form
   1,146.53/1,590.86 = 1,100.25/x
3. Step 3: Cross multiply
   1,146.53x = 1,590.86 × 1,100.25
4. Step 4: Simplify right side
   1,146.53x = 1,750,338.21
5. Step 5: Solve for x
   x = 1,750,338.21/1,146.53
6. Step 6: Final answer
   x = 1,526.65