Finding the Fourth Proportional to 25,150.10, 34,707.59 and 13,820.63

Step by Step Solution

1. Step 1: Write the proportion equation
   25,150.10 : 34,707.59 = 13,820.63 : x
2. Step 2: Convert to fraction form
   25,150.10/34,707.59 = 13,820.63/x
3. Step 3: Cross multiply
   25,150.10x = 34,707.59 × 13,820.63
4. Step 4: Simplify right side
   25,150.10x = 479,680,568.77
5. Step 5: Solve for x
   x = 479,680,568.77/25,150.10
6. Step 6: Final answer
   x = 19,072.71