Finding the Fourth Proportional to 23,106.96, 31,887.98 and 13,035.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,106.96 : 31,887.98 = 13,035.60 : x
2. Step 2: Convert to fraction form
   23,106.96/31,887.98 = 13,035.60/x
3. Step 3: Cross multiply
   23,106.96x = 31,887.98 × 13,035.60
4. Step 4: Simplify right side
   23,106.96x = 415,678,886.91
5. Step 5: Solve for x
   x = 415,678,886.91/23,106.96
6. Step 6: Final answer
   x = 17,989.34