Finding the Fourth Proportional to 1,111.41, 1,665.36 and 700.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.41 : 1,665.36 = 700.47 : x
2. Step 2: Convert to fraction form
   1,111.41/1,665.36 = 700.47/x
3. Step 3: Cross multiply
   1,111.41x = 1,665.36 × 700.47
4. Step 4: Simplify right side
   1,111.41x = 1,166,534.72
5. Step 5: Solve for x
   x = 1,166,534.72/1,111.41
6. Step 6: Final answer
   x = 1,049.60