Finding the Fourth Proportional to 8,762.78, 12,092.81 and 4,784.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,762.78 : 12,092.81 = 4,784.06 : x
2. Step 2: Convert to fraction form
   8,762.78/12,092.81 = 4,784.06/x
3. Step 3: Cross multiply
   8,762.78x = 12,092.81 × 4,784.06
4. Step 4: Simplify right side
   8,762.78x = 57,852,644.22
5. Step 5: Solve for x
   x = 57,852,644.22/8,762.78
6. Step 6: Final answer
   x = 6,602.09