Finding the Fourth Proportional to 2,897.60, 4,343.03 and 1,334.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,897.60 : 4,343.03 = 1,334.31 : x
2. Step 2: Convert to fraction form
   2,897.60/4,343.03 = 1,334.31/x
3. Step 3: Cross multiply
   2,897.60x = 4,343.03 × 1,334.31
4. Step 4: Simplify right side
   2,897.60x = 5,794,941.69
5. Step 5: Solve for x
   x = 5,794,941.69/2,897.60
6. Step 6: Final answer
   x = 1,999.91