Finding the Fourth Proportional to 163,091,796.28, 225,066,715.96 and 89,752,938.28

Step by Step Solution

1. Step 1: Write the proportion equation
   163,091,796.28 : 225,066,715.96 = 89,752,938.28 : x
2. Step 2: Convert to fraction form
   163,091,796.28/225,066,715.96 = 89,752,938.28/x
3. Step 3: Cross multiply
   163,091,796.28x = 225,066,715.96 × 89,752,938.28
4. Step 4: Simplify right side
   163,091,796.28x = 20,200,399,066,440,172
5. Step 5: Solve for x
   x = 20,200,399,066,440,172/163,091,796.28
6. Step 6: Final answer
   x = 123,859,075.24