Finding the Fourth Proportional to 2,142.50, 3,210.96 and 1,101.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.50 : 3,210.96 = 1,101.62 : x
2. Step 2: Convert to fraction form
   2,142.50/3,210.96 = 1,101.62/x
3. Step 3: Cross multiply
   2,142.50x = 3,210.96 × 1,101.62
4. Step 4: Simplify right side
   2,142.50x = 3,537,257.76
5. Step 5: Solve for x
   x = 3,537,257.76/2,142.50
6. Step 6: Final answer
   x = 1,651.00