Finding the Fourth Proportional to 1,807.20, 2,709.18 and 1,501.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.20 : 2,709.18 = 1,501.56 : x
2. Step 2: Convert to fraction form
   1,807.20/2,709.18 = 1,501.56/x
3. Step 3: Cross multiply
   1,807.20x = 2,709.18 × 1,501.56
4. Step 4: Simplify right side
   1,807.20x = 4,067,996.32
5. Step 5: Solve for x
   x = 4,067,996.32/1,807.20
6. Step 6: Final answer
   x = 2,250.99