Finding the Fourth Proportional to 83,449.68, 115,155.72 and 45,717.36

Step by Step Solution

1. Step 1: Write the proportion equation
   83,449.68 : 115,155.72 = 45,717.36 : x
2. Step 2: Convert to fraction form
   83,449.68/115,155.72 = 45,717.36/x
3. Step 3: Cross multiply
   83,449.68x = 115,155.72 × 45,717.36
4. Step 4: Simplify right side
   83,449.68x = 5,264,615,507.30
5. Step 5: Solve for x
   x = 5,264,615,507.30/83,449.68
6. Step 6: Final answer
   x = 63,087.31