Finding the Fourth Proportional to 25,075.27, 37,608.18 and 12,591.91

Step by Step Solution

1. Step 1: Write the proportion equation
   25,075.27 : 37,608.18 = 12,591.91 : x
2. Step 2: Convert to fraction form
   25,075.27/37,608.18 = 12,591.91/x
3. Step 3: Cross multiply
   25,075.27x = 37,608.18 × 12,591.91
4. Step 4: Simplify right side
   25,075.27x = 473,558,817.82
5. Step 5: Solve for x
   x = 473,558,817.82/25,075.27
6. Step 6: Final answer
   x = 18,885.49