Finding the Fourth Proportional to 137,959,456.72, 206,951,146.68 and 50,544,719.80

Step by Step Solution

1. Step 1: Write the proportion equation
   137,959,456.72 : 206,951,146.68 = 50,544,719.80 : x
2. Step 2: Convert to fraction form
   137,959,456.72/206,951,146.68 = 50,544,719.80/x
3. Step 3: Cross multiply
   137,959,456.72x = 206,951,146.68 × 50,544,719.80
4. Step 4: Simplify right side
   137,959,456.72x = 10,460,287,721,229,300
5. Step 5: Solve for x
   x = 10,460,287,721,229,300/137,959,456.72
6. Step 6: Final answer
   x = 75,821,462.12