Finding the Fourth Proportional to 231,123, 346,673.16 and 89,036.04

Step by Step Solution

1. Step 1: Write the proportion equation
   231,123 : 346,673.16 = 89,036.04 : x
2. Step 2: Convert to fraction form
   231,123/346,673.16 = 89,036.04/x
3. Step 3: Cross multiply
   231,123x = 346,673.16 × 89,036.04
4. Step 4: Simplify right side
   231,123x = 30,866,405,340.69
5. Step 5: Solve for x
   x = 30,866,405,340.69/231,123
6. Step 6: Final answer
   x = 133,549.69