Finding the Fourth Proportional to 112,428.56, 167,389.78 and 110,858.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,428.56 : 167,389.78 = 110,858.72 : x
2. Step 2: Convert to fraction form
   112,428.56/167,389.78 = 110,858.72/x
3. Step 3: Cross multiply
   112,428.56x = 167,389.78 × 110,858.72
4. Step 4: Simplify right side
   112,428.56x = 18,556,616,751.88
5. Step 5: Solve for x
   x = 18,556,616,751.88/112,428.56
6. Step 6: Final answer
   x = 165,052.52