Finding the Fourth Proportional to 1,921.56, 2,648.20 and 1,501.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,921.56 : 2,648.20 = 1,501.24 : x
2. Step 2: Convert to fraction form
   1,921.56/2,648.20 = 1,501.24/x
3. Step 3: Cross multiply
   1,921.56x = 2,648.20 × 1,501.24
4. Step 4: Simplify right side
   1,921.56x = 3,975,583.77
5. Step 5: Solve for x
   x = 3,975,583.77/1,921.56
6. Step 6: Final answer
   x = 2,068.94