Finding the Fourth Proportional to 2,076.59, 2,865.91 and 1,237.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.59 : 2,865.91 = 1,237.50 : x
2. Step 2: Convert to fraction form
   2,076.59/2,865.91 = 1,237.50/x
3. Step 3: Cross multiply
   2,076.59x = 2,865.91 × 1,237.50
4. Step 4: Simplify right side
   2,076.59x = 3,546,563.63
5. Step 5: Solve for x
   x = 3,546,563.63/2,076.59
6. Step 6: Final answer
   x = 1,707.88