Finding the Fourth Proportional to 20,662,944.98, 30,993,392.15 and 7,708,086.32

Step by Step Solution

1. Step 1: Write the proportion equation
   20,662,944.98 : 30,993,392.15 = 7,708,086.32 : x
2. Step 2: Convert to fraction form
   20,662,944.98/30,993,392.15 = 7,708,086.32/x
3. Step 3: Cross multiply
   20,662,944.98x = 30,993,392.15 × 7,708,086.32
4. Step 4: Simplify right side
   20,662,944.98x = 238,899,742,003,269.97
5. Step 5: Solve for x
   x = 238,899,742,003,269.97/20,662,944.98
6. Step 6: Final answer
   x = 11,561,746.99