Finding the Fourth Proportional to 111,198, 153,453.72 and 60,897.84

Step by Step Solution

1. Step 1: Write the proportion equation
   111,198 : 153,453.72 = 60,897.84 : x
2. Step 2: Convert to fraction form
   111,198/153,453.72 = 60,897.84/x
3. Step 3: Cross multiply
   111,198x = 153,453.72 × 60,897.84
4. Step 4: Simplify right side
   111,198x = 9,345,000,087.96
5. Step 5: Solve for x
   x = 9,345,000,087.96/111,198
6. Step 6: Final answer
   x = 84,039.28