Finding the Fourth Proportional to 2,424.72, 3,345.60 and 1,429.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.72 : 3,345.60 = 1,429.63 : x
2. Step 2: Convert to fraction form
   2,424.72/3,345.60 = 1,429.63/x
3. Step 3: Cross multiply
   2,424.72x = 3,345.60 × 1,429.63
4. Step 4: Simplify right side
   2,424.72x = 4,782,970.13
5. Step 5: Solve for x
   x = 4,782,970.13/2,424.72
6. Step 6: Final answer
   x = 1,972.59