Finding the Fourth Proportional to 1,499.95, 2,069.58 and 910.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.95 : 2,069.58 = 910.48 : x
2. Step 2: Convert to fraction form
   1,499.95/2,069.58 = 910.48/x
3. Step 3: Cross multiply
   1,499.95x = 2,069.58 × 910.48
4. Step 4: Simplify right side
   1,499.95x = 1,884,311.20
5. Step 5: Solve for x
   x = 1,884,311.20/1,499.95
6. Step 6: Final answer
   x = 1,256.25