Finding the Fourth Proportional to 3,725.32, 5,141.40 and 2,153.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,725.32 : 5,141.40 = 2,153.42 : x
2. Step 2: Convert to fraction form
   3,725.32/5,141.40 = 2,153.42/x
3. Step 3: Cross multiply
   3,725.32x = 5,141.40 × 2,153.42
4. Step 4: Simplify right side
   3,725.32x = 11,071,593.59
5. Step 5: Solve for x
   x = 11,071,593.59/3,725.32
6. Step 6: Final answer
   x = 2,971.98