Finding the Fourth Proportional to 111,128.76, 153,361.38 and 60,827.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,128.76 : 153,361.38 = 60,827.76 : x
2. Step 2: Convert to fraction form
   111,128.76/153,361.38 = 60,827.76/x
3. Step 3: Cross multiply
   111,128.76x = 153,361.38 × 60,827.76
4. Step 4: Simplify right side
   111,128.76x = 9,328,629,215.91
5. Step 5: Solve for x
   x = 9,328,629,215.91/111,128.76
6. Step 6: Final answer
   x = 83,944.33