Finding the Fourth Proportional to 1,139.00, 1,706.40 and 1,016.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139.00 : 1,706.40 = 1,016.01 : x
2. Step 2: Convert to fraction form
   1,139.00/1,706.40 = 1,016.01/x
3. Step 3: Cross multiply
   1,139.00x = 1,706.40 × 1,016.01
4. Step 4: Simplify right side
   1,139.00x = 1,733,719.46
5. Step 5: Solve for x
   x = 1,733,719.46/1,139.00
6. Step 6: Final answer
   x = 1,522.15