Finding the Fourth Proportional to 1,836.72, 2,538.27 and 1,642.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836.72 : 2,538.27 = 1,642.32 : x
2. Step 2: Convert to fraction form
   1,836.72/2,538.27 = 1,642.32/x
3. Step 3: Cross multiply
   1,836.72x = 2,538.27 × 1,642.32
4. Step 4: Simplify right side
   1,836.72x = 4,168,651.59
5. Step 5: Solve for x
   x = 4,168,651.59/1,836.72
6. Step 6: Final answer
   x = 2,269.62