Finding the Fourth Proportional to 2,213.98, 3,057.12 and 1,507.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213.98 : 3,057.12 = 1,507.33 : x
2. Step 2: Convert to fraction form
   2,213.98/3,057.12 = 1,507.33/x
3. Step 3: Cross multiply
   2,213.98x = 3,057.12 × 1,507.33
4. Step 4: Simplify right side
   2,213.98x = 4,608,088.69
5. Step 5: Solve for x
   x = 4,608,088.69/2,213.98
6. Step 6: Final answer
   x = 2,081.36