Finding the Fourth Proportional to 31,030.77, 42,822.27 and 16,883.67

Step by Step Solution

1. Step 1: Write the proportion equation
   31,030.77 : 42,822.27 = 16,883.67 : x
2. Step 2: Convert to fraction form
   31,030.77/42,822.27 = 16,883.67/x
3. Step 3: Cross multiply
   31,030.77x = 42,822.27 × 16,883.67
4. Step 4: Simplify right side
   31,030.77x = 722,997,075.33
5. Step 5: Solve for x
   x = 722,997,075.33/31,030.77
6. Step 6: Final answer
   x = 23,299.36