Finding the Fourth Proportional to 111,880.86, 167,821.29 and 105,037.98

Step by Step Solution

1. Step 1: Write the proportion equation
   111,880.86 : 167,821.29 = 105,037.98 : x
2. Step 2: Convert to fraction form
   111,880.86/167,821.29 = 105,037.98/x
3. Step 3: Cross multiply
   111,880.86x = 167,821.29 × 105,037.98
4. Step 4: Simplify right side
   111,880.86x = 17,627,609,302.59
5. Step 5: Solve for x
   x = 17,627,609,302.59/111,880.86
6. Step 6: Final answer
   x = 157,556.97