Finding the Fourth Proportional to 85,097.67, 117,434.75 and 47,380.83

Step by Step Solution

1. Step 1: Write the proportion equation
   85,097.67 : 117,434.75 = 47,380.83 : x
2. Step 2: Convert to fraction form
   85,097.67/117,434.75 = 47,380.83/x
3. Step 3: Cross multiply
   85,097.67x = 117,434.75 × 47,380.83
4. Step 4: Simplify right side
   85,097.67x = 5,564,155,688.94
5. Step 5: Solve for x
   x = 5,564,155,688.94/85,097.67
6. Step 6: Final answer
   x = 65,385.52