Finding the Fourth Proportional to 113,915.56, 170,872.72 and 46,447.33

Step by Step Solution

1. Step 1: Write the proportion equation
   113,915.56 : 170,872.72 = 46,447.33 : x
2. Step 2: Convert to fraction form
   113,915.56/170,872.72 = 46,447.33/x
3. Step 3: Cross multiply
   113,915.56x = 170,872.72 × 46,447.33
4. Step 4: Simplify right side
   113,915.56x = 7,936,581,711.31
5. Step 5: Solve for x
   x = 7,936,581,711.31/113,915.56
6. Step 6: Final answer
   x = 69,670.74