Finding the Fourth Proportional to 2,541.78, 3,812.79 and 788.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.78 : 3,812.79 = 788.00 : x
2. Step 2: Convert to fraction form
   2,541.78/3,812.79 = 788.00/x
3. Step 3: Cross multiply
   2,541.78x = 3,812.79 × 788.00
4. Step 4: Simplify right side
   2,541.78x = 3,004,459.46
5. Step 5: Solve for x
   x = 3,004,459.46/2,541.78
6. Step 6: Final answer
   x = 1,182.03