Finding the Fourth Proportional to 108,855.23, 163,288.93 and 33,985.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,855.23 : 163,288.93 = 33,985.72 : x
2. Step 2: Convert to fraction form
   108,855.23/163,288.93 = 33,985.72/x
3. Step 3: Cross multiply
   108,855.23x = 163,288.93 × 33,985.72
4. Step 4: Simplify right side
   108,855.23x = 5,549,491,360.89
5. Step 5: Solve for x
   x = 5,549,491,360.89/108,855.23
6. Step 6: Final answer
   x = 50,980.47