Finding the Fourth Proportional to 231,099.72, 346,428.12 and 97,796.56

Step by Step Solution

1. Step 1: Write the proportion equation
   231,099.72 : 346,428.12 = 97,796.56 : x
2. Step 2: Convert to fraction form
   231,099.72/346,428.12 = 97,796.56/x
3. Step 3: Cross multiply
   231,099.72x = 346,428.12 × 97,796.56
4. Step 4: Simplify right side
   231,099.72x = 33,879,478,423.27
5. Step 5: Solve for x
   x = 33,879,478,423.27/231,099.72
6. Step 6: Final answer
   x = 146,601.12