Finding the Fourth Proportional to 107,809,686.38, 161,649,760.18 and 42,152,601.98

Step by Step Solution

1. Step 1: Write the proportion equation
   107,809,686.38 : 161,649,760.18 = 42,152,601.98 : x
2. Step 2: Convert to fraction form
   107,809,686.38/161,649,760.18 = 42,152,601.98/x
3. Step 3: Cross multiply
   107,809,686.38x = 161,649,760.18 × 42,152,601.98
4. Step 4: Simplify right side
   107,809,686.38x = 6,813,958,001,407,561
5. Step 5: Solve for x
   x = 6,813,958,001,407,561/107,809,686.38
6. Step 6: Final answer
   x = 63,203,578.73