Finding the Fourth Proportional to 83,364.47, 115,042.97 and 45,638.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,364.47 : 115,042.97 = 45,638.72 : x
2. Step 2: Convert to fraction form
   83,364.47/115,042.97 = 45,638.72/x
3. Step 3: Cross multiply
   83,364.47x = 115,042.97 × 45,638.72
4. Step 4: Simplify right side
   83,364.47x = 5,250,413,866.09
5. Step 5: Solve for x
   x = 5,250,413,866.09/83,364.47
6. Step 6: Final answer
   x = 62,981.43