Finding the Fourth Proportional to 111,445.38, 153,797.32 and 61,144.38

Step by Step Solution

1. Step 1: Write the proportion equation
   111,445.38 : 153,797.32 = 61,144.38 : x
2. Step 2: Convert to fraction form
   111,445.38/153,797.32 = 61,144.38/x
3. Step 3: Cross multiply
   111,445.38x = 153,797.32 × 61,144.38
4. Step 4: Simplify right side
   111,445.38x = 9,403,841,777.06
5. Step 5: Solve for x
   x = 9,403,841,777.06/111,445.38
6. Step 6: Final answer
   x = 84,380.72