Finding the Fourth Proportional to 16,811.55, 23,201.98 and 10,100.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,811.55 : 23,201.98 = 10,100.70 : x
2. Step 2: Convert to fraction form
   16,811.55/23,201.98 = 10,100.70/x
3. Step 3: Cross multiply
   16,811.55x = 23,201.98 × 10,100.70
4. Step 4: Simplify right side
   16,811.55x = 234,356,214.13
5. Step 5: Solve for x
   x = 234,356,214.13/16,811.55
6. Step 6: Final answer
   x = 13,940.19