Finding the Fourth Proportional to 103,196.30, 154,808.79 and 36,620.60

Step by Step Solution

1. Step 1: Write the proportion equation
   103,196.30 : 154,808.79 = 36,620.60 : x
2. Step 2: Convert to fraction form
   103,196.30/154,808.79 = 36,620.60/x
3. Step 3: Cross multiply
   103,196.30x = 154,808.79 × 36,620.60
4. Step 4: Simplify right side
   103,196.30x = 5,669,190,001.03
5. Step 5: Solve for x
   x = 5,669,190,001.03/103,196.30
6. Step 6: Final answer
   x = 54,935.98