Finding the Fourth Proportional to 3,498.32, 4,827.48 and 2,100.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,498.32 : 4,827.48 = 2,100.80 : x
2. Step 2: Convert to fraction form
   3,498.32/4,827.48 = 2,100.80/x
3. Step 3: Cross multiply
   3,498.32x = 4,827.48 × 2,100.80
4. Step 4: Simplify right side
   3,498.32x = 10,141,569.98
5. Step 5: Solve for x
   x = 10,141,569.98/3,498.32
6. Step 6: Final answer
   x = 2,898.98