Finding the Fourth Proportional to 12,107,552.72, 18,152,813.67 and 5,623,744.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,107,552.72 : 18,152,813.67 = 5,623,744.05 : x
2. Step 2: Convert to fraction form
   12,107,552.72/18,152,813.67 = 5,623,744.05/x
3. Step 3: Cross multiply
   12,107,552.72x = 18,152,813.67 × 5,623,744.05
4. Step 4: Simplify right side
   12,107,552.72x = 102,086,777,867,421.17
5. Step 5: Solve for x
   x = 102,086,777,867,421.17/12,107,552.72
6. Step 6: Final answer
   x = 8,431,660.82