Finding the Fourth Proportional to 83,386.89, 115,073.94 and 45,146.43

Step by Step Solution

1. Step 1: Write the proportion equation
   83,386.89 : 115,073.94 = 45,146.43 : x
2. Step 2: Convert to fraction form
   83,386.89/115,073.94 = 45,146.43/x
3. Step 3: Cross multiply
   83,386.89x = 115,073.94 × 45,146.43
4. Step 4: Simplify right side
   83,386.89x = 5,195,177,577.03
5. Step 5: Solve for x
   x = 5,195,177,577.03/83,386.89
6. Step 6: Final answer
   x = 62,302.09