Finding the Fourth Proportional to 83,662.98, 115,454.27 and 45,421.77

Step by Step Solution

1. Step 1: Write the proportion equation
   83,662.98 : 115,454.27 = 45,421.77 : x
2. Step 2: Convert to fraction form
   83,662.98/115,454.27 = 45,421.77/x
3. Step 3: Cross multiply
   83,662.98x = 115,454.27 × 45,421.77
4. Step 4: Simplify right side
   83,662.98x = 5,244,137,231.80
5. Step 5: Solve for x
   x = 5,244,137,231.80/83,662.98
6. Step 6: Final answer
   x = 62,681.69