Finding the Fourth Proportional to 1,906.50, 2,861.01 and 752.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.50 : 2,861.01 = 752.25 : x
2. Step 2: Convert to fraction form
   1,906.50/2,861.01 = 752.25/x
3. Step 3: Cross multiply
   1,906.50x = 2,861.01 × 752.25
4. Step 4: Simplify right side
   1,906.50x = 2,152,194.77
5. Step 5: Solve for x
   x = 2,152,194.77/1,906.50
6. Step 6: Final answer
   x = 1,128.87