Finding the Fourth Proportional to 85,978.33, 128,961.38 and 22,797.05

Step by Step Solution

1. Step 1: Write the proportion equation
   85,978.33 : 128,961.38 = 22,797.05 : x
2. Step 2: Convert to fraction form
   85,978.33/128,961.38 = 22,797.05/x
3. Step 3: Cross multiply
   85,978.33x = 128,961.38 × 22,797.05
4. Step 4: Simplify right side
   85,978.33x = 2,939,938,440.11
5. Step 5: Solve for x
   x = 2,939,938,440.11/85,978.33
6. Step 6: Final answer
   x = 34,193.95