Finding the Fourth Proportional to 79,087.69, 109,143.75 and 45,101.31

Step by Step Solution

1. Step 1: Write the proportion equation
   79,087.69 : 109,143.75 = 45,101.31 : x
2. Step 2: Convert to fraction form
   79,087.69/109,143.75 = 45,101.31/x
3. Step 3: Cross multiply
   79,087.69x = 109,143.75 × 45,101.31
4. Step 4: Simplify right side
   79,087.69x = 4,922,525,557.59
5. Step 5: Solve for x
   x = 4,922,525,557.59/79,087.69
6. Step 6: Final answer
   x = 62,241.36