Finding the Fourth Proportional to 12,355.76, 18,541.26 and 4,858.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,355.76 : 18,541.26 = 4,858.00 : x
2. Step 2: Convert to fraction form
   12,355.76/18,541.26 = 4,858.00/x
3. Step 3: Cross multiply
   12,355.76x = 18,541.26 × 4,858.00
4. Step 4: Simplify right side
   12,355.76x = 90,073,469.22
5. Step 5: Solve for x
   x = 90,073,469.22/12,355.76
6. Step 6: Final answer
   x = 7,290.00