Finding the Fourth Proportional to 78,786.56, 118,180.87 and 26,196.05

Step by Step Solution

1. Step 1: Write the proportion equation
   78,786.56 : 118,180.87 = 26,196.05 : x
2. Step 2: Convert to fraction form
   78,786.56/118,180.87 = 26,196.05/x
3. Step 3: Cross multiply
   78,786.56x = 118,180.87 × 26,196.05
4. Step 4: Simplify right side
   78,786.56x = 3,095,871,692.11
5. Step 5: Solve for x
   x = 3,095,871,692.11/78,786.56
6. Step 6: Final answer
   x = 39,294.41