Finding the Fourth Proportional to 1,500.51, 2,071.05 and 910.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.51 : 2,071.05 = 910.92 : x
2. Step 2: Convert to fraction form
   1,500.51/2,071.05 = 910.92/x
3. Step 3: Cross multiply
   1,500.51x = 2,071.05 × 910.92
4. Step 4: Simplify right side
   1,500.51x = 1,886,560.87
5. Step 5: Solve for x
   x = 1,886,560.87/1,500.51
6. Step 6: Final answer
   x = 1,257.28