Finding the Fourth Proportional to 89,279.86, 133,915.95 and 26,948.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,279.86 : 133,915.95 = 26,948.50 : x
2. Step 2: Convert to fraction form
   89,279.86/133,915.95 = 26,948.50/x
3. Step 3: Cross multiply
   89,279.86x = 133,915.95 × 26,948.50
4. Step 4: Simplify right side
   89,279.86x = 3,608,833,978.58
5. Step 5: Solve for x
   x = 3,608,833,978.58/89,279.86
6. Step 6: Final answer
   x = 40,421.59