Finding the Fourth Proportional to 2,451.60, 3,672.53 and 1,153.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.60 : 3,672.53 = 1,153.98 : x
2. Step 2: Convert to fraction form
   2,451.60/3,672.53 = 1,153.98/x
3. Step 3: Cross multiply
   2,451.60x = 3,672.53 × 1,153.98
4. Step 4: Simplify right side
   2,451.60x = 4,238,026.17
5. Step 5: Solve for x
   x = 4,238,026.17/2,451.60
6. Step 6: Final answer
   x = 1,728.68