Finding the Fourth Proportional to 3,712.50, 5,123.85 and 2,140.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,712.50 : 5,123.85 = 2,140.32 : x
2. Step 2: Convert to fraction form
   3,712.50/5,123.85 = 2,140.32/x
3. Step 3: Cross multiply
   3,712.50x = 5,123.85 × 2,140.32
4. Step 4: Simplify right side
   3,712.50x = 10,966,678.63
5. Step 5: Solve for x
   x = 10,966,678.63/3,712.50
6. Step 6: Final answer
   x = 2,953.99