Finding the Fourth Proportional to 2,500.07, 3,750.50 and 768.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.07 : 3,750.50 = 768.69 : x
2. Step 2: Convert to fraction form
   2,500.07/3,750.50 = 768.69/x
3. Step 3: Cross multiply
   2,500.07x = 3,750.50 × 768.69
4. Step 4: Simplify right side
   2,500.07x = 2,882,973.77
5. Step 5: Solve for x
   x = 2,882,973.77/2,500.07
6. Step 6: Final answer
   x = 1,153.16