Finding the Fourth Proportional to 45,642.78, 62,986.74 and 25,499.51

Step by Step Solution

1. Step 1: Write the proportion equation
   45,642.78 : 62,986.74 = 25,499.51 : x
2. Step 2: Convert to fraction form
   45,642.78/62,986.74 = 25,499.51/x
3. Step 3: Cross multiply
   45,642.78x = 62,986.74 × 25,499.51
4. Step 4: Simplify right side
   45,642.78x = 1,606,130,691.56
5. Step 5: Solve for x
   x = 1,606,130,691.56/45,642.78
6. Step 6: Final answer
   x = 35,189.15