Finding the Fourth Proportional to 12,300,807.70, 18,461,709.15 and 5,487,865.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300,807.70 : 18,461,709.15 = 5,487,865.30 : x
2. Step 2: Convert to fraction form
   12,300,807.70/18,461,709.15 = 5,487,865.30/x
3. Step 3: Cross multiply
   12,300,807.70x = 18,461,709.15 × 5,487,865.30
4. Step 4: Simplify right side
   12,300,807.70x = 101,315,373,022,977.48
5. Step 5: Solve for x
   x = 101,315,373,022,977.48/12,300,807.70
6. Step 6: Final answer
   x = 8,236,481.33