Finding the Fourth Proportional to 22,179,168.32, 30,763,839.69 and 21,589,268.81

Step by Step Solution

1. Step 1: Write the proportion equation
   22,179,168.32 : 30,763,839.69 = 21,589,268.81 : x
2. Step 2: Convert to fraction form
   22,179,168.32/30,763,839.69 = 21,589,268.81/x
3. Step 3: Cross multiply
   22,179,168.32x = 30,763,839.69 × 21,589,268.81
4. Step 4: Simplify right side
   22,179,168.32x = 664,168,804,627,845.88
5. Step 5: Solve for x
   x = 664,168,804,627,845.88/22,179,168.32
6. Step 6: Final answer
   x = 29,945,613.61