Finding the Fourth Proportional to 2,435.60, 3,654.56 and 1,136.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435.60 : 3,654.56 = 1,136.88 : x
2. Step 2: Convert to fraction form
   2,435.60/3,654.56 = 1,136.88/x
3. Step 3: Cross multiply
   2,435.60x = 3,654.56 × 1,136.88
4. Step 4: Simplify right side
   2,435.60x = 4,154,796.17
5. Step 5: Solve for x
   x = 4,154,796.17/2,435.60
6. Step 6: Final answer
   x = 1,705.86