Finding the Fourth Proportional to 111,588.16, 167,406.72 and 52,424.32

Step by Step Solution

1. Step 1: Write the proportion equation
   111,588.16 : 167,406.72 = 52,424.32 : x
2. Step 2: Convert to fraction form
   111,588.16/167,406.72 = 52,424.32/x
3. Step 3: Cross multiply
   111,588.16x = 167,406.72 × 52,424.32
4. Step 4: Simplify right side
   111,588.16x = 8,776,183,459.43
5. Step 5: Solve for x
   x = 8,776,183,459.43/111,588.16
6. Step 6: Final answer
   x = 78,647.98