Finding the Fourth Proportional to 1,061.54, 1,592.58 and 412.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.54 : 1,592.58 = 412.46 : x
2. Step 2: Convert to fraction form
   1,061.54/1,592.58 = 412.46/x
3. Step 3: Cross multiply
   1,061.54x = 1,592.58 × 412.46
4. Step 4: Simplify right side
   1,061.54x = 656,875.55
5. Step 5: Solve for x
   x = 656,875.55/1,061.54
6. Step 6: Final answer
   x = 618.79