Finding the Fourth Proportional to 1,507.50, 2,264.73 and 1,445.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507.50 : 2,264.73 = 1,445.23 : x
2. Step 2: Convert to fraction form
   1,507.50/2,264.73 = 1,445.23/x
3. Step 3: Cross multiply
   1,507.50x = 2,264.73 × 1,445.23
4. Step 4: Simplify right side
   1,507.50x = 3,273,043.51
5. Step 5: Solve for x
   x = 3,273,043.51/1,507.50
6. Step 6: Final answer
   x = 2,171.17