Finding the Fourth Proportional to 18,009,861.42, 24,895,495.69 and 16,068,976.15

Step by Step Solution

1. Step 1: Write the proportion equation
   18,009,861.42 : 24,895,495.69 = 16,068,976.15 : x
2. Step 2: Convert to fraction form
   18,009,861.42/24,895,495.69 = 16,068,976.15/x
3. Step 3: Cross multiply
   18,009,861.42x = 24,895,495.69 × 16,068,976.15
4. Step 4: Simplify right side
   18,009,861.42x = 400,045,126,475,984.69
5. Step 5: Solve for x
   x = 400,045,126,475,984.69/18,009,861.42
6. Step 6: Final answer
   x = 22,212,559.95