Finding the Fourth Proportional to 115,124.24, 158,870.76 and 64,839.44

Step by Step Solution

1. Step 1: Write the proportion equation
   115,124.24 : 158,870.76 = 64,839.44 : x
2. Step 2: Convert to fraction form
   115,124.24/158,870.76 = 64,839.44/x
3. Step 3: Cross multiply
   115,124.24x = 158,870.76 × 64,839.44
4. Step 4: Simplify right side
   115,124.24x = 10,301,091,110.77
5. Step 5: Solve for x
   x = 10,301,091,110.77/115,124.24
6. Step 6: Final answer
   x = 89,478.04