Finding the Fourth Proportional to 2,607.90, 3,598.91 and 1,429.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.90 : 3,598.91 = 1,429.03 : x
2. Step 2: Convert to fraction form
   2,607.90/3,598.91 = 1,429.03/x
3. Step 3: Cross multiply
   2,607.90x = 3,598.91 × 1,429.03
4. Step 4: Simplify right side
   2,607.90x = 5,142,950.36
5. Step 5: Solve for x
   x = 5,142,950.36/2,607.90
6. Step 6: Final answer
   x = 1,972.07