Finding the Fourth Proportional to 85,923.50, 118,574.16 and 47,688.82

Step by Step Solution

1. Step 1: Write the proportion equation
   85,923.50 : 118,574.16 = 47,688.82 : x
2. Step 2: Convert to fraction form
   85,923.50/118,574.16 = 47,688.82/x
3. Step 3: Cross multiply
   85,923.50x = 118,574.16 × 47,688.82
4. Step 4: Simplify right side
   85,923.50x = 5,654,661,772.89
5. Step 5: Solve for x
   x = 5,654,661,772.89/85,923.50
6. Step 6: Final answer
   x = 65,810.42