Finding the Fourth Proportional to 2,427.84, 3,348.72 and 1,543.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,427.84 : 3,348.72 = 1,543.86 : x
2. Step 2: Convert to fraction form
   2,427.84/3,348.72 = 1,543.86/x
3. Step 3: Cross multiply
   2,427.84x = 3,348.72 × 1,543.86
4. Step 4: Simplify right side
   2,427.84x = 5,169,954.86
5. Step 5: Solve for x
   x = 5,169,954.86/2,427.84
6. Step 6: Final answer
   x = 2,129.45