Finding the Fourth Proportional to 83,290.20, 114,939.54 and 45,564

Step by Step Solution

1. Step 1: Write the proportion equation
   83,290.20 : 114,939.54 = 45,564 : x
2. Step 2: Convert to fraction form
   83,290.20/114,939.54 = 45,564/x
3. Step 3: Cross multiply
   83,290.20x = 114,939.54 × 45,564
4. Step 4: Simplify right side
   83,290.20x = 5,237,105,200.56
5. Step 5: Solve for x
   x = 5,237,105,200.56/83,290.20
6. Step 6: Final answer
   x = 62,877.81