Finding the Fourth Proportional to 2,219.10, 3,060.54 and 1,621.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.10 : 3,060.54 = 1,621.59 : x
2. Step 2: Convert to fraction form
   2,219.10/3,060.54 = 1,621.59/x
3. Step 3: Cross multiply
   2,219.10x = 3,060.54 × 1,621.59
4. Step 4: Simplify right side
   2,219.10x = 4,962,941.06
5. Step 5: Solve for x
   x = 4,962,941.06/2,219.10
6. Step 6: Final answer
   x = 2,236.47