Finding the Fourth Proportional to 115,103, 158,845.38 and 64,802

Step by Step Solution

1. Step 1: Write the proportion equation
   115,103 : 158,845.38 = 64,802 : x
2. Step 2: Convert to fraction form
   115,103/158,845.38 = 64,802/x
3. Step 3: Cross multiply
   115,103x = 158,845.38 × 64,802
4. Step 4: Simplify right side
   115,103x = 10,293,498,314.76
5. Step 5: Solve for x
   x = 10,293,498,314.76/115,103
6. Step 6: Final answer
   x = 89,428.58