Finding the Fourth Proportional to 148,469.28, 222,441.48 and 98,430.72

Step by Step Solution

1. Step 1: Write the proportion equation
   148,469.28 : 222,441.48 = 98,430.72 : x
2. Step 2: Convert to fraction form
   148,469.28/222,441.48 = 98,430.72/x
3. Step 3: Cross multiply
   148,469.28x = 222,441.48 × 98,430.72
4. Step 4: Simplify right side
   148,469.28x = 21,895,075,034.27
5. Step 5: Solve for x
   x = 21,895,075,034.27/148,469.28
6. Step 6: Final answer
   x = 147,472.09