Finding the Fourth Proportional to 28,164.48, 42,044.93 and 26,196.18

Step by Step Solution

1. Step 1: Write the proportion equation
   28,164.48 : 42,044.93 = 26,196.18 : x
2. Step 2: Convert to fraction form
   28,164.48/42,044.93 = 26,196.18/x
3. Step 3: Cross multiply
   28,164.48x = 42,044.93 × 26,196.18
4. Step 4: Simplify right side
   28,164.48x = 1,101,416,423.39
5. Step 5: Solve for x
   x = 1,101,416,423.39/28,164.48
6. Step 6: Final answer
   x = 39,106.58