Finding the Fourth Proportional to 79,062.18, 109,131.24 and 52,228.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,062.18 : 109,131.24 = 52,228.50 : x
2. Step 2: Convert to fraction form
   79,062.18/109,131.24 = 52,228.50/x
3. Step 3: Cross multiply
   79,062.18x = 109,131.24 × 52,228.50
4. Step 4: Simplify right side
   79,062.18x = 5,699,760,968.34
5. Step 5: Solve for x
   x = 5,699,760,968.34/79,062.18
6. Step 6: Final answer
   x = 72,092.13