Finding the Fourth Proportional to 31,360.01, 47,042.64 and 7,986.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,360.01 : 47,042.64 = 7,986.38 : x
2. Step 2: Convert to fraction form
   31,360.01/47,042.64 = 7,986.38/x
3. Step 3: Cross multiply
   31,360.01x = 47,042.64 × 7,986.38
4. Step 4: Simplify right side
   31,360.01x = 375,700,164.03
5. Step 5: Solve for x
   x = 375,700,164.03/31,360.01
6. Step 6: Final answer
   x = 11,980.23