Finding the Fourth Proportional to 1,931.67, 2,897.33 and 1,237.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.67 : 2,897.33 = 1,237.59 : x
2. Step 2: Convert to fraction form
   1,931.67/2,897.33 = 1,237.59/x
3. Step 3: Cross multiply
   1,931.67x = 2,897.33 × 1,237.59
4. Step 4: Simplify right side
   1,931.67x = 3,585,700.45
5. Step 5: Solve for x
   x = 3,585,700.45/1,931.67
6. Step 6: Final answer
   x = 1,856.27