Finding the Fourth Proportional to 2,137.03, 2,948.86 and 1,240.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137.03 : 2,948.86 = 1,240.50 : x
2. Step 2: Convert to fraction form
   2,137.03/2,948.86 = 1,240.50/x
3. Step 3: Cross multiply
   2,137.03x = 2,948.86 × 1,240.50
4. Step 4: Simplify right side
   2,137.03x = 3,658,060.34
5. Step 5: Solve for x
   x = 3,658,060.34/2,137.03
6. Step 6: Final answer
   x = 1,711.75