Finding the Fourth Proportional to 83,145.76, 114,735.78 and 45,419.98

Step by Step Solution

1. Step 1: Write the proportion equation
   83,145.76 : 114,735.78 = 45,419.98 : x
2. Step 2: Convert to fraction form
   83,145.76/114,735.78 = 45,419.98/x
3. Step 3: Cross multiply
   83,145.76x = 114,735.78 × 45,419.98
4. Step 4: Simplify right side
   83,145.76x = 5,211,296,832.88
5. Step 5: Solve for x
   x = 5,211,296,832.88/83,145.76
6. Step 6: Final answer
   x = 62,676.64