Finding the Fourth Proportional to 111,491.78, 153,858.74 and 60,504.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,491.78 : 153,858.74 = 60,504.50 : x
2. Step 2: Convert to fraction form
   111,491.78/153,858.74 = 60,504.50/x
3. Step 3: Cross multiply
   111,491.78x = 153,858.74 × 60,504.50
4. Step 4: Simplify right side
   111,491.78x = 9,309,146,670.24
5. Step 5: Solve for x
   x = 9,309,146,670.24/111,491.78
6. Step 6: Final answer
   x = 83,496.26