Finding the Fourth Proportional to 1,540.01, 2,124.88 and 910.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540.01 : 2,124.88 = 910.22 : x
2. Step 2: Convert to fraction form
   1,540.01/2,124.88 = 910.22/x
3. Step 3: Cross multiply
   1,540.01x = 2,124.88 × 910.22
4. Step 4: Simplify right side
   1,540.01x = 1,934,095.37
5. Step 5: Solve for x
   x = 1,934,095.37/1,540.01
6. Step 6: Final answer
   x = 1,255.90