Finding the Fourth Proportional to 2,310.31, 3,460.50 and 1,430.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,310.31 : 3,460.50 = 1,430.72 : x
2. Step 2: Convert to fraction form
   2,310.31/3,460.50 = 1,430.72/x
3. Step 3: Cross multiply
   2,310.31x = 3,460.50 × 1,430.72
4. Step 4: Simplify right side
   2,310.31x = 4,951,006.56
5. Step 5: Solve for x
   x = 4,951,006.56/2,310.31
6. Step 6: Final answer
   x = 2,143.01