Finding the Fourth Proportional to 23,116.01, 31,900.91 and 13,043.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,116.01 : 31,900.91 = 13,043.86 : x
2. Step 2: Convert to fraction form
   23,116.01/31,900.91 = 13,043.86/x
3. Step 3: Cross multiply
   23,116.01x = 31,900.91 × 13,043.86
4. Step 4: Simplify right side
   23,116.01x = 416,110,858.94
5. Step 5: Solve for x
   x = 416,110,858.94/23,116.01
6. Step 6: Final answer
   x = 18,000.98