Finding the Fourth Proportional to 1,522.38, 2,288.10 and 1,264.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.38 : 2,288.10 = 1,264.08 : x
2. Step 2: Convert to fraction form
   1,522.38/2,288.10 = 1,264.08/x
3. Step 3: Cross multiply
   1,522.38x = 2,288.10 × 1,264.08
4. Step 4: Simplify right side
   1,522.38x = 2,892,341.45
5. Step 5: Solve for x
   x = 2,892,341.45/1,522.38
6. Step 6: Final answer
   x = 1,899.88