Finding the Fourth Proportional to 83,364.30, 115,042.73 and 45,638.55

Step by Step Solution

1. Step 1: Write the proportion equation
   83,364.30 : 115,042.73 = 45,638.55 : x
2. Step 2: Convert to fraction form
   83,364.30/115,042.73 = 45,638.55/x
3. Step 3: Cross multiply
   83,364.30x = 115,042.73 × 45,638.55
4. Step 4: Simplify right side
   83,364.30x = 5,250,383,157.05
5. Step 5: Solve for x
   x = 5,250,383,157.05/83,364.30
6. Step 6: Final answer
   x = 62,981.19