Finding the Fourth Proportional to 83,907.31, 115,789.89 and 45,667.60

Step by Step Solution

1. Step 1: Write the proportion equation
   83,907.31 : 115,789.89 = 45,667.60 : x
2. Step 2: Convert to fraction form
   83,907.31/115,789.89 = 45,667.60/x
3. Step 3: Cross multiply
   83,907.31x = 115,789.89 × 45,667.60
4. Step 4: Simplify right side
   83,907.31x = 5,287,846,380.56
5. Step 5: Solve for x
   x = 5,287,846,380.56/83,907.31
6. Step 6: Final answer
   x = 63,020.09