Finding the Fourth Proportional to 7,189.52, 10,783.35 and 2,810.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,189.52 : 10,783.35 = 2,810.05 : x
2. Step 2: Convert to fraction form
   7,189.52/10,783.35 = 2,810.05/x
3. Step 3: Cross multiply
   7,189.52x = 10,783.35 × 2,810.05
4. Step 4: Simplify right side
   7,189.52x = 30,301,725.71
5. Step 5: Solve for x
   x = 30,301,725.71/7,189.52
6. Step 6: Final answer
   x = 4,214.71