Finding the Fourth Proportional to 1,500.30, 2,070.42 and 910.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.30 : 2,070.42 = 910.44 : x
2. Step 2: Convert to fraction form
   1,500.30/2,070.42 = 910.44/x
3. Step 3: Cross multiply
   1,500.30x = 2,070.42 × 910.44
4. Step 4: Simplify right side
   1,500.30x = 1,884,993.18
5. Step 5: Solve for x
   x = 1,884,993.18/1,500.30
6. Step 6: Final answer
   x = 1,256.41