Finding the Fourth Proportional to 1,065.18, 1,598.86 and 824.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065.18 : 1,598.86 = 824.34 : x
2. Step 2: Convert to fraction form
   1,065.18/1,598.86 = 824.34/x
3. Step 3: Cross multiply
   1,065.18x = 1,598.86 × 824.34
4. Step 4: Simplify right side
   1,065.18x = 1,318,004.25
5. Step 5: Solve for x
   x = 1,318,004.25/1,065.18
6. Step 6: Final answer
   x = 1,237.35