Finding the Fourth Proportional to 31,056.31, 46,603.55 and 12,333.07

Step by Step Solution

1. Step 1: Write the proportion equation
   31,056.31 : 46,603.55 = 12,333.07 : x
2. Step 2: Convert to fraction form
   31,056.31/46,603.55 = 12,333.07/x
3. Step 3: Cross multiply
   31,056.31x = 46,603.55 × 12,333.07
4. Step 4: Simplify right side
   31,056.31x = 574,764,844.40
5. Step 5: Solve for x
   x = 574,764,844.40/31,056.31
6. Step 6: Final answer
   x = 18,507.18