Finding the Fourth Proportional to 60,692.15, 90,878.72 and 48,782.72

Step by Step Solution

1. Step 1: Write the proportion equation
   60,692.15 : 90,878.72 = 48,782.72 : x
2. Step 2: Convert to fraction form
   60,692.15/90,878.72 = 48,782.72/x
3. Step 3: Cross multiply
   60,692.15x = 90,878.72 × 48,782.72
4. Step 4: Simplify right side
   60,692.15x = 4,433,310,453.41
5. Step 5: Solve for x
   x = 4,433,310,453.41/60,692.15
6. Step 6: Final answer
   x = 73,045.87