Finding the Fourth Proportional to 1,500.50, 2,071.04 and 910.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.50 : 2,071.04 = 910.91 : x
2. Step 2: Convert to fraction form
   1,500.50/2,071.04 = 910.91/x
3. Step 3: Cross multiply
   1,500.50x = 2,071.04 × 910.91
4. Step 4: Simplify right side
   1,500.50x = 1,886,516.14
5. Step 5: Solve for x
   x = 1,886,516.14/1,500.50
6. Step 6: Final answer
   x = 1,257.26