Finding the Fourth Proportional to 115,049.84, 158,768.76 and 64,748.72

Step by Step Solution

1. Step 1: Write the proportion equation
   115,049.84 : 158,768.76 = 64,748.72 : x
2. Step 2: Convert to fraction form
   115,049.84/158,768.76 = 64,748.72/x
3. Step 3: Cross multiply
   115,049.84x = 158,768.76 × 64,748.72
4. Step 4: Simplify right side
   115,049.84x = 10,280,073,985.99
5. Step 5: Solve for x
   x = 10,280,073,985.99/115,049.84
6. Step 6: Final answer
   x = 89,353.22