Finding the Fourth Proportional to 31,824.72, 43,897.91 and 19,554.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,824.72 : 43,897.91 = 19,554.75 : x
2. Step 2: Convert to fraction form
   31,824.72/43,897.91 = 19,554.75/x
3. Step 3: Cross multiply
   31,824.72x = 43,897.91 × 19,554.75
4. Step 4: Simplify right side
   31,824.72x = 858,412,557.80
5. Step 5: Solve for x
   x = 858,412,557.80/31,824.72
6. Step 6: Final answer
   x = 26,973.14