Finding the Fourth Proportional to 2,373.12, 3,543.48 and 2,124.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373.12 : 3,543.48 = 2,124.72 : x
2. Step 2: Convert to fraction form
   2,373.12/3,543.48 = 2,124.72/x
3. Step 3: Cross multiply
   2,373.12x = 3,543.48 × 2,124.72
4. Step 4: Simplify right side
   2,373.12x = 7,528,902.83
5. Step 5: Solve for x
   x = 7,528,902.83/2,373.12
6. Step 6: Final answer
   x = 3,172.58