Finding the Fourth Proportional to 83,131.94, 114,721.35 and 45,405.38

Step by Step Solution

1. Step 1: Write the proportion equation
   83,131.94 : 114,721.35 = 45,405.38 : x
2. Step 2: Convert to fraction form
   83,131.94/114,721.35 = 45,405.38/x
3. Step 3: Cross multiply
   83,131.94x = 114,721.35 × 45,405.38
4. Step 4: Simplify right side
   83,131.94x = 5,208,965,917.26
5. Step 5: Solve for x
   x = 5,208,965,917.26/83,131.94
6. Step 6: Final answer
   x = 62,659.02