Finding the Fourth Proportional to 2,314.80, 3,191.13 and 1,430.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,314.80 : 3,191.13 = 1,430.10 : x
2. Step 2: Convert to fraction form
   2,314.80/3,191.13 = 1,430.10/x
3. Step 3: Cross multiply
   2,314.80x = 3,191.13 × 1,430.10
4. Step 4: Simplify right side
   2,314.80x = 4,563,635.01
5. Step 5: Solve for x
   x = 4,563,635.01/2,314.80
6. Step 6: Final answer
   x = 1,971.50