Finding the Fourth Proportional to 103,696.10, 155,659.35 and 64,297.70

Step by Step Solution

1. Step 1: Write the proportion equation
   103,696.10 : 155,659.35 = 64,297.70 : x
2. Step 2: Convert to fraction form
   103,696.10/155,659.35 = 64,297.70/x
3. Step 3: Cross multiply
   103,696.10x = 155,659.35 × 64,297.70
4. Step 4: Simplify right side
   103,696.10x = 10,008,538,188.50
5. Step 5: Solve for x
   x = 10,008,538,188.50/103,696.10
6. Step 6: Final answer
   x = 96,517.98