Finding the Fourth Proportional to 2,137.91, 3,200.00 and 1,148.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137.91 : 3,200.00 = 1,148.22 : x
2. Step 2: Convert to fraction form
   2,137.91/3,200.00 = 1,148.22/x
3. Step 3: Cross multiply
   2,137.91x = 3,200.00 × 1,148.22
4. Step 4: Simplify right side
   2,137.91x = 3,674,298.26
5. Step 5: Solve for x
   x = 3,674,298.26/2,137.91
6. Step 6: Final answer
   x = 1,718.64