Finding the Fourth Proportional to 12,180,520.50, 18,271,621.52 and 3,544,692.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,180,520.50 : 18,271,621.52 = 3,544,692.54 : x
2. Step 2: Convert to fraction form
   12,180,520.50/18,271,621.52 = 3,544,692.54/x
3. Step 3: Cross multiply
   12,180,520.50x = 18,271,621.52 × 3,544,692.54
4. Step 4: Simplify right side
   12,180,520.50x = 64,767,280,495,647.46
5. Step 5: Solve for x
   x = 64,767,280,495,647.46/12,180,520.50
6. Step 6: Final answer
   x = 5,317,283.49