Finding the Fourth Proportional to 82,137.64, 123,206.86 and 22,978.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,137.64 : 123,206.86 = 22,978.48 : x
2. Step 2: Convert to fraction form
   82,137.64/123,206.86 = 22,978.48/x
3. Step 3: Cross multiply
   82,137.64x = 123,206.86 × 22,978.48
4. Step 4: Simplify right side
   82,137.64x = 2,831,106,368.37
5. Step 5: Solve for x
   x = 2,831,106,368.37/82,137.64
6. Step 6: Final answer
   x = 34,467.83