Finding the Fourth Proportional to 83,921.31, 115,814.25 and 45,682.25

Step by Step Solution

1. Step 1: Write the proportion equation
   83,921.31 : 115,814.25 = 45,682.25 : x
2. Step 2: Convert to fraction form
   83,921.31/115,814.25 = 45,682.25/x
3. Step 3: Cross multiply
   83,921.31x = 115,814.25 × 45,682.25
4. Step 4: Simplify right side
   83,921.31x = 5,290,655,522.06
5. Step 5: Solve for x
   x = 5,290,655,522.06/83,921.31
6. Step 6: Final answer
   x = 63,043.05