Finding the Fourth Proportional to 108,978.64, 163,156.08 and 73,855.84

Step by Step Solution

1. Step 1: Write the proportion equation
   108,978.64 : 163,156.08 = 73,855.84 : x
2. Step 2: Convert to fraction form
   108,978.64/163,156.08 = 73,855.84/x
3. Step 3: Cross multiply
   108,978.64x = 163,156.08 × 73,855.84
4. Step 4: Simplify right side
   108,978.64x = 12,050,029,339.51
5. Step 5: Solve for x
   x = 12,050,029,339.51/108,978.64
6. Step 6: Final answer
   x = 110,572.40