Finding the Fourth Proportional to 81,023.04, 111,811.59 and 45,212.67

Step by Step Solution

1. Step 1: Write the proportion equation
   81,023.04 : 111,811.59 = 45,212.67 : x
2. Step 2: Convert to fraction form
   81,023.04/111,811.59 = 45,212.67/x
3. Step 3: Cross multiply
   81,023.04x = 111,811.59 × 45,212.67
4. Step 4: Simplify right side
   81,023.04x = 5,055,300,520.85
5. Step 5: Solve for x
   x = 5,055,300,520.85/81,023.04
6. Step 6: Final answer
   x = 62,393.37