Finding the Fourth Proportional to 1,501.03, 2,071.67 and 911.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.03 : 2,071.67 = 911.96 : x
2. Step 2: Convert to fraction form
   1,501.03/2,071.67 = 911.96/x
3. Step 3: Cross multiply
   1,501.03x = 2,071.67 × 911.96
4. Step 4: Simplify right side
   1,501.03x = 1,889,280.17
5. Step 5: Solve for x
   x = 1,889,280.17/1,501.03
6. Step 6: Final answer
   x = 1,258.66