Finding the Fourth Proportional to 85,730.37, 118,307.89 and 47,492.39

Step by Step Solution

1. Step 1: Write the proportion equation
   85,730.37 : 118,307.89 = 47,492.39 : x
2. Step 2: Convert to fraction form
   85,730.37/118,307.89 = 47,492.39/x
3. Step 3: Cross multiply
   85,730.37x = 118,307.89 × 47,492.39
4. Step 4: Simplify right side
   85,730.37x = 5,618,724,807.09
5. Step 5: Solve for x
   x = 5,618,724,807.09/85,730.37
6. Step 6: Final answer
   x = 65,539.49