Finding the Fourth Proportional to 111,452.30, 167,139.57 and 49,088.78

Step by Step Solution

1. Step 1: Write the proportion equation
   111,452.30 : 167,139.57 = 49,088.78 : x
2. Step 2: Convert to fraction form
   111,452.30/167,139.57 = 49,088.78/x
3. Step 3: Cross multiply
   111,452.30x = 167,139.57 × 49,088.78
4. Step 4: Simplify right side
   111,452.30x = 8,204,677,581.02
5. Step 5: Solve for x
   x = 8,204,677,581.02/111,452.30
6. Step 6: Final answer
   x = 73,616.05