Finding the Fourth Proportional to 1,148.18, 1,583.98 and 705.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,148.18 : 1,583.98 = 705.82 : x
2. Step 2: Convert to fraction form
   1,148.18/1,583.98 = 705.82/x
3. Step 3: Cross multiply
   1,148.18x = 1,583.98 × 705.82
4. Step 4: Simplify right side
   1,148.18x = 1,118,004.76
5. Step 5: Solve for x
   x = 1,118,004.76/1,148.18
6. Step 6: Final answer
   x = 973.72