Finding the Fourth Proportional to 25,271.60, 37,896.41 and 13,422.76

Step by Step Solution

1. Step 1: Write the proportion equation
   25,271.60 : 37,896.41 = 13,422.76 : x
2. Step 2: Convert to fraction form
   25,271.60/37,896.41 = 13,422.76/x
3. Step 3: Cross multiply
   25,271.60x = 37,896.41 × 13,422.76
4. Step 4: Simplify right side
   25,271.60x = 508,674,492.77
5. Step 5: Solve for x
   x = 508,674,492.77/25,271.60
6. Step 6: Final answer
   x = 20,128.31