Finding the Fourth Proportional to 1,264.86, 1,895.72 and 898.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,264.86 : 1,895.72 = 898.88 : x
2. Step 2: Convert to fraction form
   1,264.86/1,895.72 = 898.88/x
3. Step 3: Cross multiply
   1,264.86x = 1,895.72 × 898.88
4. Step 4: Simplify right side
   1,264.86x = 1,704,010.82
5. Step 5: Solve for x
   x = 1,704,010.82/1,264.86
6. Step 6: Final answer
   x = 1,347.19