Finding the Fourth Proportional to 31,775.53, 43,832.01 and 19,818.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,775.53 : 43,832.01 = 19,818.10 : x
2. Step 2: Convert to fraction form
   31,775.53/43,832.01 = 19,818.10/x
3. Step 3: Cross multiply
   31,775.53x = 43,832.01 × 19,818.10
4. Step 4: Simplify right side
   31,775.53x = 868,667,167.87
5. Step 5: Solve for x
   x = 868,667,167.87/31,775.53
6. Step 6: Final answer
   x = 27,337.62