Finding the Fourth Proportional to 1,113.56, 1,536.94 and 671.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113.56 : 1,536.94 = 671.52 : x
2. Step 2: Convert to fraction form
   1,113.56/1,536.94 = 671.52/x
3. Step 3: Cross multiply
   1,113.56x = 1,536.94 × 671.52
4. Step 4: Simplify right side
   1,113.56x = 1,032,085.95
5. Step 5: Solve for x
   x = 1,032,085.95/1,113.56
6. Step 6: Final answer
   x = 926.83