Finding the Fourth Proportional to 83,667.15, 115,461.53 and 45,427.05

Step by Step Solution

1. Step 1: Write the proportion equation
   83,667.15 : 115,461.53 = 45,427.05 : x
2. Step 2: Convert to fraction form
   83,667.15/115,461.53 = 45,427.05/x
3. Step 3: Cross multiply
   83,667.15x = 115,461.53 × 45,427.05
4. Step 4: Simplify right side
   83,667.15x = 5,245,076,469.25
5. Step 5: Solve for x
   x = 5,245,076,469.25/83,667.15
6. Step 6: Final answer
   x = 62,689.79