Finding the Fourth Proportional to 25,192.47, 37,803.31 and 12,713.47

Step by Step Solution

1. Step 1: Write the proportion equation
   25,192.47 : 37,803.31 = 12,713.47 : x
2. Step 2: Convert to fraction form
   25,192.47/37,803.31 = 12,713.47/x
3. Step 3: Cross multiply
   25,192.47x = 37,803.31 × 12,713.47
4. Step 4: Simplify right side
   25,192.47x = 480,611,263.37
5. Step 5: Solve for x
   x = 480,611,263.37/25,192.47
6. Step 6: Final answer
   x = 19,077.58