Finding the Fourth Proportional to 230,726.72, 346,101.42 and 112,499.12

Step by Step Solution

1. Step 1: Write the proportion equation
   230,726.72 : 346,101.42 = 112,499.12 : x
2. Step 2: Convert to fraction form
   230,726.72/346,101.42 = 112,499.12/x
3. Step 3: Cross multiply
   230,726.72x = 346,101.42 × 112,499.12
4. Step 4: Simplify right side
   230,726.72x = 38,936,105,180.75
5. Step 5: Solve for x
   x = 38,936,105,180.75/230,726.72
6. Step 6: Final answer
   x = 168,754.21