Finding the Fourth Proportional to 108,478.29, 162,656.50 and 74,322.62

Step by Step Solution

1. Step 1: Write the proportion equation
   108,478.29 : 162,656.50 = 74,322.62 : x
2. Step 2: Convert to fraction form
   108,478.29/162,656.50 = 74,322.62/x
3. Step 3: Cross multiply
   108,478.29x = 162,656.50 × 74,322.62
4. Step 4: Simplify right side
   108,478.29x = 12,089,057,240.03
5. Step 5: Solve for x
   x = 12,089,057,240.03/108,478.29
6. Step 6: Final answer
   x = 111,442.18