Finding the Fourth Proportional to 31,675.86, 43,720.56 and 19,753.07

Step by Step Solution

1. Step 1: Write the proportion equation
   31,675.86 : 43,720.56 = 19,753.07 : x
2. Step 2: Convert to fraction form
   31,675.86/43,720.56 = 19,753.07/x
3. Step 3: Cross multiply
   31,675.86x = 43,720.56 × 19,753.07
4. Step 4: Simplify right side
   31,675.86x = 863,615,063.52
5. Step 5: Solve for x
   x = 863,615,063.52/31,675.86
6. Step 6: Final answer
   x = 27,264.14