Finding the Fourth Proportional to 2,213.76, 3,051.57 and 1,653.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213.76 : 3,051.57 = 1,653.39 : x
2. Step 2: Convert to fraction form
   2,213.76/3,051.57 = 1,653.39/x
3. Step 3: Cross multiply
   2,213.76x = 3,051.57 × 1,653.39
4. Step 4: Simplify right side
   2,213.76x = 5,045,435.32
5. Step 5: Solve for x
   x = 5,045,435.32/2,213.76
6. Step 6: Final answer
   x = 2,279.12