Finding the Fourth Proportional to 79,320.89, 109,462.53 and 49,100.19

Step by Step Solution

1. Step 1: Write the proportion equation
   79,320.89 : 109,462.53 = 49,100.19 : x
2. Step 2: Convert to fraction form
   79,320.89/109,462.53 = 49,100.19/x
3. Step 3: Cross multiply
   79,320.89x = 109,462.53 × 49,100.19
4. Step 4: Simplify right side
   79,320.89x = 5,374,630,775.38
5. Step 5: Solve for x
   x = 5,374,630,775.38/79,320.89
6. Step 6: Final answer
   x = 67,758.08