Finding the Fourth Proportional to 20,141,279.10, 30,212,128.17 and 16,123,308.12

Step by Step Solution

1. Step 1: Write the proportion equation
   20,141,279.10 : 30,212,128.17 = 16,123,308.12 : x
2. Step 2: Convert to fraction form
   20,141,279.10/30,212,128.17 = 16,123,308.12/x
3. Step 3: Cross multiply
   20,141,279.10x = 30,212,128.17 × 16,123,308.12
4. Step 4: Simplify right side
   20,141,279.10x = 487,119,451,445,841.75
5. Step 5: Solve for x
   x = 487,119,451,445,841.75/20,141,279.10
6. Step 6: Final answer
   x = 24,185,129.90