Finding the Fourth Proportional to 83,839.31, 115,698.72 and 45,599.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,839.31 : 115,698.72 = 45,599.30 : x
2. Step 2: Convert to fraction form
   83,839.31/115,698.72 = 45,599.30/x
3. Step 3: Cross multiply
   83,839.31x = 115,698.72 × 45,599.30
4. Step 4: Simplify right side
   83,839.31x = 5,275,780,064.40
5. Step 5: Solve for x
   x = 5,275,780,064.40/83,839.31
6. Step 6: Final answer
   x = 62,927.29