Finding the Fourth Proportional to 55,396,004.50, 76,446,518.61 and 30,949,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,396,004.50 : 76,446,518.61 = 30,949,718.50 : x
2. Step 2: Convert to fraction form
   55,396,004.50/76,446,518.61 = 30,949,718.50/x
3. Step 3: Cross multiply
   55,396,004.50x = 76,446,518.61 × 30,949,718.50
4. Step 4: Simplify right side
   55,396,004.50x = 2,365,998,231,284,511.50
5. Step 5: Solve for x
   x = 2,365,998,231,284,511.50/55,396,004.50
6. Step 6: Final answer
   x = 42,710,629.63