Finding the Fourth Proportional to 83,666.28, 115,459.86 and 45,940.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,666.28 : 115,459.86 = 45,940.50 : x
2. Step 2: Convert to fraction form
   83,666.28/115,459.86 = 45,940.50/x
3. Step 3: Cross multiply
   83,666.28x = 115,459.86 × 45,940.50
4. Step 4: Simplify right side
   83,666.28x = 5,304,283,698.33
5. Step 5: Solve for x
   x = 5,304,283,698.33/83,666.28
6. Step 6: Final answer
   x = 63,398.11