Finding the Fourth Proportional to 79,200.75, 109,386.34 and 52,461.03

Step by Step Solution

1. Step 1: Write the proportion equation
   79,200.75 : 109,386.34 = 52,461.03 : x
2. Step 2: Convert to fraction form
   79,200.75/109,386.34 = 52,461.03/x
3. Step 3: Cross multiply
   79,200.75x = 109,386.34 × 52,461.03
4. Step 4: Simplify right side
   79,200.75x = 5,738,520,064.33
5. Step 5: Solve for x
   x = 5,738,520,064.33/79,200.75
6. Step 6: Final answer
   x = 72,455.38