Finding the Fourth Proportional to 1,174.32, 1,627.98 and 1,111.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.32 : 1,627.98 = 1,111.90 : x
2. Step 2: Convert to fraction form
   1,174.32/1,627.98 = 1,111.90/x
3. Step 3: Cross multiply
   1,174.32x = 1,627.98 × 1,111.90
4. Step 4: Simplify right side
   1,174.32x = 1,810,145.77
5. Step 5: Solve for x
   x = 1,810,145.77/1,174.32
6. Step 6: Final answer
   x = 1,541.44