Finding the Fourth Proportional to 25,322.69, 34,943.51 and 13,992.06

Step by Step Solution

1. Step 1: Write the proportion equation
   25,322.69 : 34,943.51 = 13,992.06 : x
2. Step 2: Convert to fraction form
   25,322.69/34,943.51 = 13,992.06/x
3. Step 3: Cross multiply
   25,322.69x = 34,943.51 × 13,992.06
4. Step 4: Simplify right side
   25,322.69x = 488,931,688.53
5. Step 5: Solve for x
   x = 488,931,688.53/25,322.69
6. Step 6: Final answer
   x = 19,308.05