Finding the Fourth Proportional to 85,133.42, 117,484.89 and 47,408.42

Step by Step Solution

1. Step 1: Write the proportion equation
   85,133.42 : 117,484.89 = 47,408.42 : x
2. Step 2: Convert to fraction form
   85,133.42/117,484.89 = 47,408.42/x
3. Step 3: Cross multiply
   85,133.42x = 117,484.89 × 47,408.42
4. Step 4: Simplify right side
   85,133.42x = 5,569,773,008.77
5. Step 5: Solve for x
   x = 5,569,773,008.77/85,133.42
6. Step 6: Final answer
   x = 65,424.05