Finding the Fourth Proportional to 115,086.93, 158,819.47 and 64,100.26

Step by Step Solution

1. Step 1: Write the proportion equation
   115,086.93 : 158,819.47 = 64,100.26 : x
2. Step 2: Convert to fraction form
   115,086.93/158,819.47 = 64,100.26/x
3. Step 3: Cross multiply
   115,086.93x = 158,819.47 × 64,100.26
4. Step 4: Simplify right side
   115,086.93x = 10,180,369,358.34
5. Step 5: Solve for x
   x = 10,180,369,358.34/115,086.93
6. Step 6: Final answer
   x = 88,458.09