Finding the Fourth Proportional to 25,300.17, 37,973.41 and 12,828.80

Step by Step Solution

1. Step 1: Write the proportion equation
   25,300.17 : 37,973.41 = 12,828.80 : x
2. Step 2: Convert to fraction form
   25,300.17/37,973.41 = 12,828.80/x
3. Step 3: Cross multiply
   25,300.17x = 37,973.41 × 12,828.80
4. Step 4: Simplify right side
   25,300.17x = 487,153,345.07
5. Step 5: Solve for x
   x = 487,153,345.07/25,300.17
6. Step 6: Final answer
   x = 19,254.94