Finding the Fourth Proportional to 83,815.72, 115,665.72 and 46,089.96

Step by Step Solution

1. Step 1: Write the proportion equation
   83,815.72 : 115,665.72 = 46,089.96 : x
2. Step 2: Convert to fraction form
   83,815.72/115,665.72 = 46,089.96/x
3. Step 3: Cross multiply
   83,815.72x = 115,665.72 × 46,089.96
4. Step 4: Simplify right side
   83,815.72x = 5,331,028,408.17
5. Step 5: Solve for x
   x = 5,331,028,408.17/83,815.72
6. Step 6: Final answer
   x = 63,604.16