Finding the Fourth Proportional to 111,540.58, 153,926.12 and 60,553.28

Step by Step Solution

1. Step 1: Write the proportion equation
   111,540.58 : 153,926.12 = 60,553.28 : x
2. Step 2: Convert to fraction form
   111,540.58/153,926.12 = 60,553.28/x
3. Step 3: Cross multiply
   111,540.58x = 153,926.12 × 60,553.28
4. Step 4: Simplify right side
   111,540.58x = 9,320,731,443.67
5. Step 5: Solve for x
   x = 9,320,731,443.67/111,540.58
6. Step 6: Final answer
   x = 83,563.59