Finding the Fourth Proportional to 111,085.50, 153,297.99 and 60,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,085.50 : 153,297.99 = 60,784.50 : x
2. Step 2: Convert to fraction form
   111,085.50/153,297.99 = 60,784.50/x
3. Step 3: Cross multiply
   111,085.50x = 153,297.99 × 60,784.50
4. Step 4: Simplify right side
   111,085.50x = 9,318,141,673.16
5. Step 5: Solve for x
   x = 9,318,141,673.16/111,085.50
6. Step 6: Final answer
   x = 83,882.61