Finding the Fourth Proportional to 2,120.52, 2,926.59 and 1,765.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120.52 : 2,926.59 = 1,765.91 : x
2. Step 2: Convert to fraction form
   2,120.52/2,926.59 = 1,765.91/x
3. Step 3: Cross multiply
   2,120.52x = 2,926.59 × 1,765.91
4. Step 4: Simplify right side
   2,120.52x = 5,168,101.86
5. Step 5: Solve for x
   x = 5,168,101.86/2,120.52
6. Step 6: Final answer
   x = 2,437.19