Finding the Fourth Proportional to 31,075.72, 42,886.31 and 23,405.26

Step by Step Solution

1. Step 1: Write the proportion equation
   31,075.72 : 42,886.31 = 23,405.26 : x
2. Step 2: Convert to fraction form
   31,075.72/42,886.31 = 23,405.26/x
3. Step 3: Cross multiply
   31,075.72x = 42,886.31 × 23,405.26
4. Step 4: Simplify right side
   31,075.72x = 1,003,765,118.96
5. Step 5: Solve for x
   x = 1,003,765,118.96/31,075.72
6. Step 6: Final answer
   x = 32,300.62