Finding the Fourth Proportional to 22,978.68, 34,468.86 and 8,188.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,978.68 : 34,468.86 = 8,188.68 : x
2. Step 2: Convert to fraction form
   22,978.68/34,468.86 = 8,188.68/x
3. Step 3: Cross multiply
   22,978.68x = 34,468.86 × 8,188.68
4. Step 4: Simplify right side
   22,978.68x = 282,254,464.50
5. Step 5: Solve for x
   x = 282,254,464.50/22,978.68
6. Step 6: Final answer
   x = 12,283.32