Finding the Fourth Proportional to 31,610.35, 43,618.35 and 19,677.53

Step by Step Solution

1. Step 1: Write the proportion equation
   31,610.35 : 43,618.35 = 19,677.53 : x
2. Step 2: Convert to fraction form
   31,610.35/43,618.35 = 19,677.53/x
3. Step 3: Cross multiply
   31,610.35x = 43,618.35 × 19,677.53
4. Step 4: Simplify right side
   31,610.35x = 858,301,462.83
5. Step 5: Solve for x
   x = 858,301,462.83/31,610.35
6. Step 6: Final answer
   x = 27,152.54