Finding the Fourth Proportional to 2,548.94, 3,517.78 and 1,430.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,548.94 : 3,517.78 = 1,430.07 : x
2. Step 2: Convert to fraction form
   2,548.94/3,517.78 = 1,430.07/x
3. Step 3: Cross multiply
   2,548.94x = 3,517.78 × 1,430.07
4. Step 4: Simplify right side
   2,548.94x = 5,030,677.35
5. Step 5: Solve for x
   x = 5,030,677.35/2,548.94
6. Step 6: Final answer
   x = 1,973.64