Finding the Fourth Proportional to 31,075.89, 42,887.13 and 17,651.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,075.89 : 42,887.13 = 17,651.34 : x
2. Step 2: Convert to fraction form
   31,075.89/42,887.13 = 17,651.34/x
3. Step 3: Cross multiply
   31,075.89x = 42,887.13 × 17,651.34
4. Step 4: Simplify right side
   31,075.89x = 757,015,313.25
5. Step 5: Solve for x
   x = 757,015,313.25/31,075.89
6. Step 6: Final answer
   x = 24,360.21