Finding the Fourth Proportional to 1,337.88, 1,841.34 and 1,172.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.88 : 1,841.34 = 1,172.52 : x
2. Step 2: Convert to fraction form
   1,337.88/1,841.34 = 1,172.52/x
3. Step 3: Cross multiply
   1,337.88x = 1,841.34 × 1,172.52
4. Step 4: Simplify right side
   1,337.88x = 2,159,007.98
5. Step 5: Solve for x
   x = 2,159,007.98/1,337.88
6. Step 6: Final answer
   x = 1,613.75