Finding the Fourth Proportional to 83,681.72, 115,480.78 and 45,955.97

Step by Step Solution

1. Step 1: Write the proportion equation
   83,681.72 : 115,480.78 = 45,955.97 : x
2. Step 2: Convert to fraction form
   83,681.72/115,480.78 = 45,955.97/x
3. Step 3: Cross multiply
   83,681.72x = 115,480.78 × 45,955.97
4. Step 4: Simplify right side
   83,681.72x = 5,307,031,002.02
5. Step 5: Solve for x
   x = 5,307,031,002.02/83,681.72
6. Step 6: Final answer
   x = 63,419.24