Finding the Fourth Proportional to 1,061.58, 1,592.01 and 412.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.58 : 1,592.01 = 412.14 : x
2. Step 2: Convert to fraction form
   1,061.58/1,592.01 = 412.14/x
3. Step 3: Cross multiply
   1,061.58x = 1,592.01 × 412.14
4. Step 4: Simplify right side
   1,061.58x = 656,131.00
5. Step 5: Solve for x
   x = 656,131.00/1,061.58
6. Step 6: Final answer
   x = 618.07