Finding the Fourth Proportional to 115,120.84, 158,872.98 and 64,824.52

Step by Step Solution

1. Step 1: Write the proportion equation
   115,120.84 : 158,872.98 = 64,824.52 : x
2. Step 2: Convert to fraction form
   115,120.84/158,872.98 = 64,824.52/x
3. Step 3: Cross multiply
   115,120.84x = 158,872.98 × 64,824.52
4. Step 4: Simplify right side
   115,120.84x = 10,298,864,669.47
5. Step 5: Solve for x
   x = 10,298,864,669.47/115,120.84
6. Step 6: Final answer
   x = 89,461.34