Finding the Fourth Proportional to 115,255.89, 159,055.10 and 63,578.93

Step by Step Solution

1. Step 1: Write the proportion equation
   115,255.89 : 159,055.10 = 63,578.93 : x
2. Step 2: Convert to fraction form
   115,255.89/159,055.10 = 63,578.93/x
3. Step 3: Cross multiply
   115,255.89x = 159,055.10 × 63,578.93
4. Step 4: Simplify right side
   115,255.89x = 10,112,553,069.04
5. Step 5: Solve for x
   x = 10,112,553,069.04/115,255.89
6. Step 6: Final answer
   x = 87,740.01