Finding the Fourth Proportional to 2,525.10, 3,787.50 and 770.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.10 : 3,787.50 = 770.04 : x
2. Step 2: Convert to fraction form
   2,525.10/3,787.50 = 770.04/x
3. Step 3: Cross multiply
   2,525.10x = 3,787.50 × 770.04
4. Step 4: Simplify right side
   2,525.10x = 2,916,526.50
5. Step 5: Solve for x
   x = 2,916,526.50/2,525.10
6. Step 6: Final answer
   x = 1,155.01