Finding the Fourth Proportional to 33,790,139.42, 50,655,149.15 and 12,219,945.66

Step by Step Solution

1. Step 1: Write the proportion equation
   33,790,139.42 : 50,655,149.15 = 12,219,945.66 : x
2. Step 2: Convert to fraction form
   33,790,139.42/50,655,149.15 = 12,219,945.66/x
3. Step 3: Cross multiply
   33,790,139.42x = 50,655,149.15 × 12,219,945.66
4. Step 4: Simplify right side
   33,790,139.42x = 619,003,169,951,095.50
5. Step 5: Solve for x
   x = 619,003,169,951,095.50/33,790,139.42
6. Step 6: Final answer
   x = 18,319,047.53