Finding the Fourth Proportional to 31,100.09, 42,918.12 and 16,952.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,100.09 : 42,918.12 = 16,952.94 : x
2. Step 2: Convert to fraction form
   31,100.09/42,918.12 = 16,952.94/x
3. Step 3: Cross multiply
   31,100.09x = 42,918.12 × 16,952.94
4. Step 4: Simplify right side
   31,100.09x = 727,588,313.27
5. Step 5: Solve for x
   x = 727,588,313.27/31,100.09
6. Step 6: Final answer
   x = 23,395.06