Finding the Fourth Proportional to 413,359,872.39, 619,824,513.47 and 194,951,571.72

Step by Step Solution

1. Step 1: Write the proportion equation
   413,359,872.39 : 619,824,513.47 = 194,951,571.72 : x
2. Step 2: Convert to fraction form
   413,359,872.39/619,824,513.47 = 194,951,571.72/x
3. Step 3: Cross multiply
   413,359,872.39x = 619,824,513.47 × 194,951,571.72
4. Step 4: Simplify right side
   413,359,872.39x = 120,835,763,091,560,816
5. Step 5: Solve for x
   x = 120,835,763,091,560,816/413,359,872.39
6. Step 6: Final answer
   x = 292,325,818.65