Finding the Fourth Proportional to 76,864,764.69, 106,062,910.25 and 45,918,362.61

Step by Step Solution

1. Step 1: Write the proportion equation
   76,864,764.69 : 106,062,910.25 = 45,918,362.61 : x
2. Step 2: Convert to fraction form
   76,864,764.69/106,062,910.25 = 45,918,362.61/x
3. Step 3: Cross multiply
   76,864,764.69x = 106,062,910.25 × 45,918,362.61
4. Step 4: Simplify right side
   76,864,764.69x = 4,870,235,172,101,794
5. Step 5: Solve for x
   x = 4,870,235,172,101,794/76,864,764.69
6. Step 6: Final answer
   x = 63,361,088.68