Finding the Fourth Proportional to 111,128.86, 153,358.44 and 60,827.86

Step by Step Solution

1. Step 1: Write the proportion equation
   111,128.86 : 153,358.44 = 60,827.86 : x
2. Step 2: Convert to fraction form
   111,128.86/153,358.44 = 60,827.86/x
3. Step 3: Cross multiply
   111,128.86x = 153,358.44 × 60,827.86
4. Step 4: Simplify right side
   111,128.86x = 9,328,465,718.14
5. Step 5: Solve for x
   x = 9,328,465,718.14/111,128.86
6. Step 6: Final answer
   x = 83,942.78