Finding the Fourth Proportional to 111,018.08, 153,206.16 and 60,716

Step by Step Solution

1. Step 1: Write the proportion equation
   111,018.08 : 153,206.16 = 60,716 : x
2. Step 2: Convert to fraction form
   111,018.08/153,206.16 = 60,716/x
3. Step 3: Cross multiply
   111,018.08x = 153,206.16 × 60,716
4. Step 4: Simplify right side
   111,018.08x = 9,302,065,210.56
5. Step 5: Solve for x
   x = 9,302,065,210.56/111,018.08
6. Step 6: Final answer
   x = 83,788.74