Finding the Fourth Proportional to 89,518.35, 134,271.77 and 27,189.39

Step by Step Solution

1. Step 1: Write the proportion equation
   89,518.35 : 134,271.77 = 27,189.39 : x
2. Step 2: Convert to fraction form
   89,518.35/134,271.77 = 27,189.39/x
3. Step 3: Cross multiply
   89,518.35x = 134,271.77 × 27,189.39
4. Step 4: Simplify right side
   89,518.35x = 3,650,767,384.57
5. Step 5: Solve for x
   x = 3,650,767,384.57/89,518.35
6. Step 6: Final answer
   x = 40,782.34