Finding the Fourth Proportional to 3,724.53, 5,139.50 and 2,152.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,724.53 : 5,139.50 = 2,152.32 : x
2. Step 2: Convert to fraction form
   3,724.53/5,139.50 = 2,152.32/x
3. Step 3: Cross multiply
   3,724.53x = 5,139.50 × 2,152.32
4. Step 4: Simplify right side
   3,724.53x = 11,061,837.88
5. Step 5: Solve for x
   x = 11,061,837.88/3,724.53
6. Step 6: Final answer
   x = 2,970.00