Finding the Fourth Proportional to 80,970.48, 111,739.86 and 45,162.81

Step by Step Solution

1. Step 1: Write the proportion equation
   80,970.48 : 111,739.86 = 45,162.81 : x
2. Step 2: Convert to fraction form
   80,970.48/111,739.86 = 45,162.81/x
3. Step 3: Cross multiply
   80,970.48x = 111,739.86 × 45,162.81
4. Step 4: Simplify right side
   80,970.48x = 5,046,486,066.61
5. Step 5: Solve for x
   x = 5,046,486,066.61/80,970.48
6. Step 6: Final answer
   x = 62,325.01