Finding the Fourth Proportional to 28,164.98, 42,045.67 and 26,196.68

Step by Step Solution

1. Step 1: Write the proportion equation
   28,164.98 : 42,045.67 = 26,196.68 : x
2. Step 2: Convert to fraction form
   28,164.98/42,045.67 = 26,196.68/x
3. Step 3: Cross multiply
   28,164.98x = 42,045.67 × 26,196.68
4. Step 4: Simplify right side
   28,164.98x = 1,101,456,962.38
5. Step 5: Solve for x
   x = 1,101,456,962.38/28,164.98
6. Step 6: Final answer
   x = 39,107.32