Finding the Fourth Proportional to 83,362.53, 115,040.34 and 45,636.78

Step by Step Solution

1. Step 1: Write the proportion equation
   83,362.53 : 115,040.34 = 45,636.78 : x
2. Step 2: Convert to fraction form
   83,362.53/115,040.34 = 45,636.78/x
3. Step 3: Cross multiply
   83,362.53x = 115,040.34 × 45,636.78
4. Step 4: Simplify right side
   83,362.53x = 5,250,070,687.71
5. Step 5: Solve for x
   x = 5,250,070,687.71/83,362.53
6. Step 6: Final answer
   x = 62,978.78