Finding the Fourth Proportional to 2,602.60, 3,904.71 and 1,142.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.60 : 3,904.71 = 1,142.98 : x
2. Step 2: Convert to fraction form
   2,602.60/3,904.71 = 1,142.98/x
3. Step 3: Cross multiply
   2,602.60x = 3,904.71 × 1,142.98
4. Step 4: Simplify right side
   2,602.60x = 4,463,005.44
5. Step 5: Solve for x
   x = 4,463,005.44/2,602.60
6. Step 6: Final answer
   x = 1,714.83