Finding the Fourth Proportional to 88,978.50, 122,790.34 and 48,692.26

Step by Step Solution

1. Step 1: Write the proportion equation
   88,978.50 : 122,790.34 = 48,692.26 : x
2. Step 2: Convert to fraction form
   88,978.50/122,790.34 = 48,692.26/x
3. Step 3: Cross multiply
   88,978.50x = 122,790.34 × 48,692.26
4. Step 4: Simplify right side
   88,978.50x = 5,978,939,160.77
5. Step 5: Solve for x
   x = 5,978,939,160.77/88,978.50
6. Step 6: Final answer
   x = 67,195.32