Finding the Fourth Proportional to 231,049.58, 346,613.78 and 103,012.32

Step by Step Solution

1. Step 1: Write the proportion equation
   231,049.58 : 346,613.78 = 103,012.32 : x
2. Step 2: Convert to fraction form
   231,049.58/346,613.78 = 103,012.32/x
3. Step 3: Cross multiply
   231,049.58x = 346,613.78 × 103,012.32
4. Step 4: Simplify right side
   231,049.58x = 35,705,491,179.10
5. Step 5: Solve for x
   x = 35,705,491,179.10/231,049.58
6. Step 6: Final answer
   x = 154,536.06