Finding the Fourth Proportional to 197,647.89, 296,099.83 and 97,691.05

Step by Step Solution

1. Step 1: Write the proportion equation
   197,647.89 : 296,099.83 = 97,691.05 : x
2. Step 2: Convert to fraction form
   197,647.89/296,099.83 = 97,691.05/x
3. Step 3: Cross multiply
   197,647.89x = 296,099.83 × 97,691.05
4. Step 4: Simplify right side
   197,647.89x = 28,926,303,297.52
5. Step 5: Solve for x
   x = 28,926,303,297.52/197,647.89
6. Step 6: Final answer
   x = 146,352.70