Finding the Fourth Proportional to 31,314.94, 43,189.52 and 27,530.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,314.94 : 43,189.52 = 27,530.06 : x
2. Step 2: Convert to fraction form
   31,314.94/43,189.52 = 27,530.06/x
3. Step 3: Cross multiply
   31,314.94x = 43,189.52 × 27,530.06
4. Step 4: Simplify right side
   31,314.94x = 1,189,010,076.97
5. Step 5: Solve for x
   x = 1,189,010,076.97/31,314.94
6. Step 6: Final answer
   x = 37,969.42