Finding the Fourth Proportional to 111,689.34, 167,293.43 and 52,436.22

Step by Step Solution

1. Step 1: Write the proportion equation
   111,689.34 : 167,293.43 = 52,436.22 : x
2. Step 2: Convert to fraction form
   111,689.34/167,293.43 = 52,436.22/x
3. Step 3: Cross multiply
   111,689.34x = 167,293.43 × 52,436.22
4. Step 4: Simplify right side
   111,689.34x = 8,772,235,100.03
5. Step 5: Solve for x
   x = 8,772,235,100.03/111,689.34
6. Step 6: Final answer
   x = 78,541.38