Finding the Fourth Proportional to 109,236.89, 163,688.42 and 73,566.31

Step by Step Solution

1. Step 1: Write the proportion equation
   109,236.89 : 163,688.42 = 73,566.31 : x
2. Step 2: Convert to fraction form
   109,236.89/163,688.42 = 73,566.31/x
3. Step 3: Cross multiply
   109,236.89x = 163,688.42 × 73,566.31
4. Step 4: Simplify right side
   109,236.89x = 12,041,953,049.13
5. Step 5: Solve for x
   x = 12,041,953,049.13/109,236.89
6. Step 6: Final answer
   x = 110,237.05