Finding the Fourth Proportional to 2,071.63, 2,858.53 and 1,175.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.63 : 2,858.53 = 1,175.32 : x
2. Step 2: Convert to fraction form
   2,071.63/2,858.53 = 1,175.32/x
3. Step 3: Cross multiply
   2,071.63x = 2,858.53 × 1,175.32
4. Step 4: Simplify right side
   2,071.63x = 3,359,687.48
5. Step 5: Solve for x
   x = 3,359,687.48/2,071.63
6. Step 6: Final answer
   x = 1,621.76