Finding the Fourth Proportional to 111,931.29, 167,078.00 and 98,645.67

Step by Step Solution

1. Step 1: Write the proportion equation
   111,931.29 : 167,078.00 = 98,645.67 : x
2. Step 2: Convert to fraction form
   111,931.29/167,078.00 = 98,645.67/x
3. Step 3: Cross multiply
   111,931.29x = 167,078.00 × 98,645.67
4. Step 4: Simplify right side
   111,931.29x = 16,481,521,498.87
5. Step 5: Solve for x
   x = 16,481,521,498.87/111,931.29
6. Step 6: Final answer
   x = 147,246.78