Finding the Fourth Proportional to 108,408.09, 162,493.52 and 55,820.73

Step by Step Solution

1. Step 1: Write the proportion equation
   108,408.09 : 162,493.52 = 55,820.73 : x
2. Step 2: Convert to fraction form
   108,408.09/162,493.52 = 55,820.73/x
3. Step 3: Cross multiply
   108,408.09x = 162,493.52 × 55,820.73
4. Step 4: Simplify right side
   108,408.09x = 9,070,506,627.57
5. Step 5: Solve for x
   x = 9,070,506,627.57/108,408.09
6. Step 6: Final answer
   x = 83,670.02