Finding the Fourth Proportional to 115,026.76, 158,736.81 and 64,725.76

Step by Step Solution

1. Step 1: Write the proportion equation
   115,026.76 : 158,736.81 = 64,725.76 : x
2. Step 2: Convert to fraction form
   115,026.76/158,736.81 = 64,725.76/x
3. Step 3: Cross multiply
   115,026.76x = 158,736.81 × 64,725.76
4. Step 4: Simplify right side
   115,026.76x = 10,274,360,667.23
5. Step 5: Solve for x
   x = 10,274,360,667.23/115,026.76
6. Step 6: Final answer
   x = 89,321.48