Finding the Fourth Proportional to 151,760,464.34, 209,342,020.82 and 91,367,413.74

Step by Step Solution

1. Step 1: Write the proportion equation
   151,760,464.34 : 209,342,020.82 = 91,367,413.74 : x
2. Step 2: Convert to fraction form
   151,760,464.34/209,342,020.82 = 91,367,413.74/x
3. Step 3: Cross multiply
   151,760,464.34x = 209,342,020.82 × 91,367,413.74
4. Step 4: Simplify right side
   151,760,464.34x = 19,127,039,028,971,796
5. Step 5: Solve for x
   x = 19,127,039,028,971,796/151,760,464.34
6. Step 6: Final answer
   x = 126,034,399.75