Finding the Fourth Proportional to 111,210.77, 153,471.28 and 60,223.53

Step by Step Solution

1. Step 1: Write the proportion equation
   111,210.77 : 153,471.28 = 60,223.53 : x
2. Step 2: Convert to fraction form
   111,210.77/153,471.28 = 60,223.53/x
3. Step 3: Cross multiply
   111,210.77x = 153,471.28 × 60,223.53
4. Step 4: Simplify right side
   111,210.77x = 9,242,581,647.56
5. Step 5: Solve for x
   x = 9,242,581,647.56/111,210.77
6. Step 6: Final answer
   x = 83,108.69