Finding the Fourth Proportional to 2,424.72, 3,345.35 and 1,430.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.72 : 3,345.35 = 1,430.34 : x
2. Step 2: Convert to fraction form
   2,424.72/3,345.35 = 1,430.34/x
3. Step 3: Cross multiply
   2,424.72x = 3,345.35 × 1,430.34
4. Step 4: Simplify right side
   2,424.72x = 4,784,980.77
5. Step 5: Solve for x
   x = 4,784,980.77/2,424.72
6. Step 6: Final answer
   x = 1,973.42