Finding the Fourth Proportional to 23,158.01, 31,957.83 and 12,547.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,158.01 : 31,957.83 = 12,547.62 : x
2. Step 2: Convert to fraction form
   23,158.01/31,957.83 = 12,547.62/x
3. Step 3: Cross multiply
   23,158.01x = 31,957.83 × 12,547.62
4. Step 4: Simplify right side
   23,158.01x = 400,994,706.86
5. Step 5: Solve for x
   x = 400,994,706.86/23,158.01
6. Step 6: Final answer
   x = 17,315.60