Finding the Fourth Proportional to 111,019.50, 153,206.91 and 60,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,019.50 : 153,206.91 = 60,718.50 : x
2. Step 2: Convert to fraction form
   111,019.50/153,206.91 = 60,718.50/x
3. Step 3: Cross multiply
   111,019.50x = 153,206.91 × 60,718.50
4. Step 4: Simplify right side
   111,019.50x = 9,302,493,764.84
5. Step 5: Solve for x
   x = 9,302,493,764.84/111,019.50
6. Step 6: Final answer
   x = 83,791.53