Finding the Fourth Proportional to 85,513, 118,010.46 and 47,787.34

Step by Step Solution

1. Step 1: Write the proportion equation
   85,513 : 118,010.46 = 47,787.34 : x
2. Step 2: Convert to fraction form
   85,513/118,010.46 = 47,787.34/x
3. Step 3: Cross multiply
   85,513x = 118,010.46 × 47,787.34
4. Step 4: Simplify right side
   85,513x = 5,639,405,975.58
5. Step 5: Solve for x
   x = 5,639,405,975.58/85,513
6. Step 6: Final answer
   x = 65,947.94