Finding the Fourth Proportional to 163,091,798.28, 225,066,718.72 and 89,752,940.28

Step by Step Solution

1. Step 1: Write the proportion equation
   163,091,798.28 : 225,066,718.72 = 89,752,940.28 : x
2. Step 2: Convert to fraction form
   163,091,798.28/225,066,718.72 = 89,752,940.28/x
3. Step 3: Cross multiply
   163,091,798.28x = 225,066,718.72 × 89,752,940.28
4. Step 4: Simplify right side
   163,091,798.28x = 20,200,399,764,291,720
5. Step 5: Solve for x
   x = 20,200,399,764,291,720/163,091,798.28
6. Step 6: Final answer
   x = 123,859,078.00