Finding the Fourth Proportional to 231,300.89, 346,412.42 and 224,916.21

Step by Step Solution

1. Step 1: Write the proportion equation
   231,300.89 : 346,412.42 = 224,916.21 : x
2. Step 2: Convert to fraction form
   231,300.89/346,412.42 = 224,916.21/x
3. Step 3: Cross multiply
   231,300.89x = 346,412.42 × 224,916.21
4. Step 4: Simplify right side
   231,300.89x = 77,913,769,165.62
5. Step 5: Solve for x
   x = 77,913,769,165.62/231,300.89
6. Step 6: Final answer
   x = 336,850.29