Finding the Fourth Proportional to 1,056.60, 1,583.17 and 1,016.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056.60 : 1,583.17 = 1,016.10 : x
2. Step 2: Convert to fraction form
   1,056.60/1,583.17 = 1,016.10/x
3. Step 3: Cross multiply
   1,056.60x = 1,583.17 × 1,016.10
4. Step 4: Simplify right side
   1,056.60x = 1,608,652.00
5. Step 5: Solve for x
   x = 1,608,652.00/1,056.60
6. Step 6: Final answer
   x = 1,522.48