Finding the Fourth Proportional to 31,507.33, 47,268.56 and 9,018.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,507.33 : 47,268.56 = 9,018.34 : x
2. Step 2: Convert to fraction form
   31,507.33/47,268.56 = 9,018.34/x
3. Step 3: Cross multiply
   31,507.33x = 47,268.56 × 9,018.34
4. Step 4: Simplify right side
   31,507.33x = 426,283,849.76
5. Step 5: Solve for x
   x = 426,283,849.76/31,507.33
6. Step 6: Final answer
   x = 13,529.67