Finding the Fourth Proportional to 16,128,288.30, 24,188,612.49 and 4,613,401.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,128,288.30 : 24,188,612.49 = 4,613,401.20 : x
2. Step 2: Convert to fraction form
   16,128,288.30/24,188,612.49 = 4,613,401.20/x
3. Step 3: Cross multiply
   16,128,288.30x = 24,188,612.49 × 4,613,401.20
4. Step 4: Simplify right side
   16,128,288.30x = 111,591,773,887,700.98
5. Step 5: Solve for x
   x = 111,591,773,887,700.98/16,128,288.30
6. Step 6: Final answer
   x = 6,919,009.12