Finding the Fourth Proportional to 8,535.50, 12,810.54 and 3,345.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,535.50 : 12,810.54 = 3,345.02 : x
2. Step 2: Convert to fraction form
   8,535.50/12,810.54 = 3,345.02/x
3. Step 3: Cross multiply
   8,535.50x = 12,810.54 × 3,345.02
4. Step 4: Simplify right side
   8,535.50x = 42,851,512.51
5. Step 5: Solve for x
   x = 42,851,512.51/8,535.50
6. Step 6: Final answer
   x = 5,020.39