Finding the Fourth Proportional to 1,069.72, 1,476.12 and 597.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.72 : 1,476.12 = 597.58 : x
2. Step 2: Convert to fraction form
   1,069.72/1,476.12 = 597.58/x
3. Step 3: Cross multiply
   1,069.72x = 1,476.12 × 597.58
4. Step 4: Simplify right side
   1,069.72x = 882,099.79
5. Step 5: Solve for x
   x = 882,099.79/1,069.72
6. Step 6: Final answer
   x = 824.61