Finding the Fourth Proportional to 27,522.47, 37,944.87 and 19,859.31

Step by Step Solution

1. Step 1: Write the proportion equation
   27,522.47 : 37,944.87 = 19,859.31 : x
2. Step 2: Convert to fraction form
   27,522.47/37,944.87 = 19,859.31/x
3. Step 3: Cross multiply
   27,522.47x = 37,944.87 × 19,859.31
4. Step 4: Simplify right side
   27,522.47x = 753,558,861.77
5. Step 5: Solve for x
   x = 753,558,861.77/27,522.47
6. Step 6: Final answer
   x = 27,379.77