Finding the Fourth Proportional to 111,572.56, 167,358.90 and 70,048.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,572.56 : 167,358.90 = 70,048.72 : x
2. Step 2: Convert to fraction form
   111,572.56/167,358.90 = 70,048.72/x
3. Step 3: Cross multiply
   111,572.56x = 167,358.90 × 70,048.72
4. Step 4: Simplify right side
   111,572.56x = 11,723,276,725.61
5. Step 5: Solve for x
   x = 11,723,276,725.61/111,572.56
6. Step 6: Final answer
   x = 105,073.12